CN104021421A - Electronic technique log - Google Patents
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- CN104021421A CN104021421A CN201410102985.9A CN201410102985A CN104021421A CN 104021421 A CN104021421 A CN 104021421A CN 201410102985 A CN201410102985 A CN 201410102985A CN 104021421 A CN104021421 A CN 104021421A
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Abstract
The invention relates to a system, method and a computer program as well as an electronic technique log for recording aircraft technical items. A server unit is suitable for storing and outputting data related to the aircraft technical items. A client computer unit sends (32) an access request to the server. The server receives and processes (72) the request and allows data access (74) and limits the increase and modification processing of the date to one client computer unit at the same time. In order to be used on the aircraft during the test period, the snapshot of the data can be transmitted (78) to a mobile computer, and the data on the server unit is limited to be read only (80). After the flight test, the data after modification is transmitted back to the server unit (24) and the read only limitation is eliminated (84).
Description
The application is that application number is 200610083089.8, and the applying date is on May 31st, 2006, and what denomination of invention was " electronic technology diary " divides an application.
Technical field
The present invention relates to a kind of system, method and computer program for record-setting flight device technology item.
Background technology
Aircraft test period starting from last assembly line work test and ending to consign to client, needs operation technique daily record.At this " flight line stage (flight line phase) ", the solution of all technology items and they must be recorded in technical log, checks correctly being carried out by crew and accept Shi You quality department.This technical log always when near aircraft and when this aircraft flight on machine.Conventionally this technical log is the file of book-type made of paper, and must be unique for each aircraft.
Use the major defect of daily record made of paper to be, test flight or research and development slip-stick artist access this daily record and need work hard, and engineers need to be consulted this daily record, and this daily record need to be near aircraft.During flying and flight after soon except crew no one can access this daily record.And, because various people write daily record under normal conditions, read all these projects and can have any problem.So need to have new technical log to overcome problem as discussed above.
Summary of the invention
Therefore, the object of this invention is to provide a kind of system, method and computer program for record-setting flight device technology item, it always realizes the easy access to recorded data, and does not still allow at one time the people who surpasses more than a people to revise.
Another object of the present invention is to provide a kind of system, method and computer program for record-setting flight device technology item, the access to different crowd's restrictions to described data.Because common many slip-stick artists or test machine group membership need to only access the particular data of relevant technologies item, be for example only aircraft engine data, it is favourable that each user's access and user's demand are adapted.
By being provided for the system of recording technique item, the present invention has advantageously met above-mentioned needs and other needs, has improved accessibility, workability and the property of can read simultaneously.This object is achieved by the system of the technology item for record-setting flight device, and wherein said system comprises:
At least one server unit;
At least one client unit;
Wherein said at least one server unit is suitable for storage and exports the data of the technology item that relates at least one aircraft;
Wherein said at least one client unit be suitable for sending a request of access to described at least one server unit with access and processing said data;
Wherein said at least one server unit is suitable for receiving and processing the described request of access from described at least one client unit;
Wherein said at least one server unit is suitable for the access of license to described data; And
Wherein said at least one server unit is suitable for the increase of the data to for each given aircraft and revises to process being limited at one time a client unit.
All technology items that this server unit stores is inputted by client unit, and can export data according to request.Daily record more made of paper, this makes the use of daily record become light.User can use the simple interface in client unit as workstation, and it can be offered help for necessary project.Each other user can be for example visits this information by their personal workstation.In the situation that a user is revising the data of the technology item of relevant aircraft, other user is inhibited in the data that identical time modification is identical.So this causes a kind of system with the modification restriction identical with the daily record of sensitive paper system, but allow consulting and can cause proving that this system can be used as substituting of common paper daily record older data.
Preferably, described server is suitable for the snapshot that relates to the data of aircraft (snapshot) to be passed to the modification of client unit during for test flight.This makes the test flight crew can usage log at test period, this daily record by aircraft machine with client unit on application represented, it can access and revise raw data snapshot.
Further preferably, described server unit is suitable for after test flight is used relating to from client unit reception the snapshot of modification of the data of aircraft.Described impinge upon soon test period and be modified after, for realize the change of raw data on server unit, the snapshot of this modification must pass to server unit, replaces raw data, or replaces the raw data of part.
More preferably, system according to the present invention is suitable for before after the snapshot of data has been passed to client unit and after test flight, described snapshot is passed back described server unit, will be read-only to the restrict access of described data.Like this, avoided concurrent modification.
Also have, described client unit is mobile computer preferably, and this makes test flight unit easily carry the upper and lower aircraft of described client unit.
In a preferred embodiment, described client unit is workstation, and it is exclusively used in for the workplace of the test flight line of given aircraft or office work place.Special purpose workstation can be individually for the object of (payment) flight line, and the standard operation station that is positioned at office work place make for example to research and develop slip-stick artist can be from his office's access log, and without finding and the daily record of copy based on paper.
Preferably, described server unit is suitable for the access to described data according to user's license restrictions.Can user's license be set according to user's demand, employee's qualification and responsibility and/or in-company open strategy.
Also by a kind of record, the method for the technology item of aircraft is achieved object of the present invention, and described method comprises the steps:
From client unit to described server unit, send request of access and with access and processing, relate to the data of the technology item of at least one aircraft;
By described server unit, receive and process the request of access from described client unit;
By described server unit, the increase of the data to for each given aircraft and modification processing are limited in to a client unit at one time.
Preferably, in the beginning of test flight program, in described at least one server unit, create that described data set is closed about the data set of the information of the technology item of aircraft and after completing described test flight program for storing.
Preferably, described asked data relate to the snapshot of the data of described technology item, data set is being sent to after client unit, the described data set of described server unit is set to read-only, during test flight, described client unit is revised described data and the data of modification is sent back to described server unit, and this removes a read states from described data set.
Object of the present invention is also achieved by a kind of computer program of the technology item for record-setting flight device, when described computer program moves on computers, for implementing the step as said method, comprising:
The first program code devices, relates to the data of the technology item of at least one aircraft for send request of access from least one client unit to described server unit with access and processing;
The second program code devices, for receiving and process the request of access from described client unit by described server unit;
The 3rd program code devices, for permitting the access to described data;
The 4th program code devices, for being limited at one time a client unit by described at least one server unit by the increase of the data to for each given aircraft and modification processing.
Preferably, described computer program is suitable for carrying out one or several above-mentioned preferred method step and embodiment, so that planning and control object according to the present invention transport.
Accompanying drawing explanation
The present invention illustrates by example, and is not limited to accompanying drawing, and wherein, identical label represents similar element, wherein:
Fig. 1 schematically shows the total Technical Architecture according to system of the present invention;
Fig. 2 is schematically illustrated according to the method for the technology item (being conceived to test flight) of record-setting flight device of the present invention.
Fig. 3 is schematically illustrated by the method for workstation access log.
Fig. 4 shows total Project Process (item process); And
Fig. 5 shows the method for record-setting flight device technology item with calcspar.
Embodiment
According to the present invention, illustrated embodiment provides the device in flight line stage effective record-setting flight device technology item, has improved the accessibility of data and the property of can read simultaneously, thereby has maximized workability.Below, system, method and computer program are also referred to as " digital technology daily record " or " electronic diary ".
For will be very favourable with digital technology daily record that participant's maximum workability is used during the flight line stage before aircraft is consigned to client.A kind of for the system of digital technology daily record is provided when meeting the aeronautical agency's requirement that still relates to daily record made of paper in order to realize, need to form a kind of system, its in the ease for use that keeps comparing with the daily record based on paper for each aircraft provides unique daily record.
Fig. 1 illustrates the schematic diagram according to system of the present invention.Be depicted as server 2, on it installation and operation database application.Server 2 is attached to network 4, by these network 4 accessible services devices.This network can utilize TCP/IP procotol conventional in various application widely to realize.
Special purpose workstation 6 be set directly at tested aircraft near.These workstations are respectively exclusively used in the only application of the electronic diary of an aircraft of access.They are mainly used in creating and answering the project occurring.These special purpose workstations for example for example, are used by the personnel's (manufacture, design, quality assurance, test flight slip-stick artist) that are responsible for the flight line stage of aircraft and aircraft.
In the scope of the present disclosure, workstation can be regarded client computer or client unit as conventionally.Their operations provide the software of user interface, thereby described user interface has customization or customizable form allows user's input to relate to the data of the technology item in aircraft, communicates by letter thus by network 4 with server 2.
Not directly in the situation that near test flight slip-stick artist aircraft need to consult the electronic diary of aircraft, they must be from its common work space access log.And for example during the performance history of new aircraft, the project of the permanent generation of considering if other personnel want to watch various electronic diaries, is also necessary also to make them can access log.Therefore, they must be connected to server 2 by network 4 via its standard operation station 8.These standard operation erect-positions are in user's office and be mainly used in consulting technical log.Only according to user profiles, to the modification of daily record by authorized.Seem of great use be by not responsible aircraft and all personnel's in flight line stage thereof restrict access in daily record read-only/consult pattern, they can not be created and/or answer project.
Connection for special purpose workstation 6 and standard operation station 8 to server 2, what come in handy is the moment of distinguishing subscription authentication.Due near test flight slip-stick artist aircraft and member's possible number, special purpose workstation 6 can " afterwards " to each subscription authentication.This means in special purpose workstation, user revise and during save data always by identification.At standard operation station, to subscription authentication, be useful in advance, because each standard operation station only belongs to a user conventionally, it can be by authentication and without authentication after each data processing before entering electronic diary.
For test flight slip-stick artist, be necessary and aeronautical agency desired be in operation technique daily record on machine during test flight.This can utilize notebook 10 to realize, and is loaded on this computing machine under the snapshot of electronic diary data.This means for carrying out the whole data-base content of the given aircraft of test flight and will be stored in notebook 10, the software of this snapshot is accessed in this computer run.During flying, aircraft Test Engineer can be input to all technology items that occur during flight in notebook 10, resembles in the notebook being input to based on paper.After test flight stops, notebook 10 will be suspended on network 4 so that the snapshot of modified technical log is uploaded on server 2.
As described further below, during test flight when technical log is used on notebook 10, prevent that to its modification be enforceable.The daily record based on paper of the standard on machine during test flight can not be revised by the ground anyone.Utilize the present invention, for special purpose workstation 6 and standard operation station 8, still all data on access services device 2 likely, resemble the paper copy of browsing the daily record based on paper.Like this, all tests and Developmental Engineer on the ground always can watch particular log easily.
Fig. 2 illustrates according to the functional architecture of system of the present invention and is mainly conceived to integrated for the notebook 10 of execution technique transaction record during test flight.
During the beginning of the test flight operation time period in final assembly line, technical log is created in server 2, as shown in reference to 12.This means usage data storehouse should be used for creating and there are several tables and be used for the data set of storage and grouped data.Each daily record is exclusively used in an only aircraft, by manufacturing sequence number (MSN) etc., represents.For each aircraft, must there is single and unique daily record.Technical log reaches " opening " state immediately, so that make the user can be by technology transaction record therein 14.
Technical log Ke You special purpose workstation 6 in server 2, standard operation station 8 and use for the notebook 10 of use awing.At this, (aspect usage) used in the aspect that Fig. 2 is conceived to during flight.
For test flight, daily record must be obtained on machine.This is by it is downloaded to notebook 10 from server 2, to realize during in " non-locking " state 18 at the data set for tested aircraft 16.Concurrently, at aircraft in in-flight time, must be in server 2 lockings to prevent parallel input on the ground for the daily record of aircraft.During flying, if daily record in " locking " state, only reading/consult access will be allowed.For this reason, at the interior setting of server 2 " locking " file mark, database sign etc., server 2 checks it when the request to the data of relevant each aircraft.Notebook 10 has had the snapshot 22 that represents the data set of the daily record for using on machine now.During flying, flying machine group membership can local IP access daily record on notebook 10, as the daily record based on paper.
After test flight completes, from the data of notebook 10, will return server 2 by the transmission of network (see figure 1).After transmission completes, on notebook, the local snapshot of preserving and revising is by deleted 24.Because server 2 has had all relevant and recent data for tested aircraft now, and owing to having completed now modification, relevant daily record can be set to " non-locking " (opening) 26 again.Daily record is ready to access completely 28 again.
After all test flights, technical acceptance complete, and aircraft is consigned to client soon before or after, for the daily record of given aircraft, will be closed 30.
Daily record all can read access at every turn.Daily record consult the state that does not rely on aircraft.Only can be to its access of modifying when server 2 is determined " opening/non-locking " state 18.
The access how workstation 6,8 obtains the particular log on server 2 has been shown in Fig. 3.Workstation 6,8 sends the request of 32 access logs to server 2.Server 2 receives this request and determines that whether 18 these particular log are in " locking " or " closing " state.If for example, because " awing " daily record is locked or close (see figure 2), it only can be consulted, and can not revise 34.In the situation that daily record opens 26, server 2 further determines to submit to the user of request to have what license 36.
Keeper can give different user profiles, and each has some license.That the personnel of all not responsible aircraft should only have is read-only/consult access right 38, and should make the member who is responsible for flight line can there is full access right 40.In addition, likely make third party, as engine manufacturers etc. can be consulted daily record, but carry out filtering information 42 according to corresponding ATA chapters and sections or other criterion.Other user right 44 can be by keeper by increasing or revising profile, do not regulate with reference table on the same group.
Technology transaction record is included in electronic diary as each technology item creates project in electronic diary.Fig. 4 has illustrated the mutual of test machine group membership and project.
First, if there is technology item, create so-called project, it represents this technology item.Each project can be dependent on the process of the relevant item of solution and has different conditions.The state of project can be " establishment ", " in carrying out ", " completing ", " labelling ", " maintenance " or " closing ", and when aircraft flight test finishes, all items must be closed and be checked by QA quality assurance.Then, crew has had all answers to the empirical tests of all items.
When project has created 46, for the job description of this project, be necessary.Optionally, can specify the corrective action that will carry out, but this not compulsory.In order to help user that correct data are provided, can provide according to job card or the Preformatted Text of ATA (ATA) chapters and sections.By crew, confirmed or answered 50 to first of item, project can reach state " carrying out " 48 from " establishment " state.Alternatively, the state of project can be set to " maintenance " 52, this means crew for flight allowance (flight clearance) and this project of temporary close.
Once complete the work that relates to job description, in carrying out, 48 project reaches state and " completes " 54.Also likely by the final mark 58 of direct execution, reach " labelling " state 56.Alternatively, if in for example carrying out 48 project temporary close and for flight be not crucial, yet be consuming time, they reach " maintenance " state.
By the project 54 to " completing ", label 60, they also reach state and " label " 56.If still can not label, the project 54 " completing " still can be set to " maintenance " 38.
The acceptance 64 of only by crew, project being answered, the project 56 of " labelling " can reach end-state and " close " 62.For the project solving, forcibly the documenting for technical acceptance provides signature means, and this causes final technical acceptance to complete (TAC).In addition likely the project of " labelling " 56 be set to " maintenance " 52 or by crew, refuse 66 and get back to state " establishment " 46.Still the project in " maintenance " state 52 prevents from reaching state and " closes " 62.By carrying out automatic report 68, " maintenance " project 52 can turn back to state " establishment " 46.
Pass through the method, when creating, solve and close project, the workability of the electronic diary being provided by system according to the present invention, method and computer program can be paid attention to and be helped improve to a large amount of various situations in the technology item occurring.Secondly, can provide various tool further to improve the workability of described electronic technology diary.For example, these can comprise for aircraft audit report, client's examination, stage preparation tool, between the distinct device of aircraft manufacture company, transmit for the data of technical log and the instrument of consulting for technical log.
Finally, Fig. 5 illustrates the step for the method for record-setting flight device technology item.First creation database 70.Client unit sends 32 to server unit 2 by request of access, and server unit 2 receives and 72 these requests of processing.According to user's license, the access 74 that server unit 2 allows data, and restriction increases and modification access 76.In the situation that test flight needs daily record, server 2 by data snapshot send 78 to the client unit of request and further data be set on server unit 2 read-only 80.In client unit, be preferably on mobile computer 10, entrust the change to data.After test flight, modified data are passed back 24 server units 2, and only read states is removed 84.After the flight line stage finishes, data set therefore electronic diary will close 86.
Known according to foregoing description, but the disclosure has contained has been not limited to following technical scheme:
1. 1 kinds of systems for the technology item of record-setting flight device of scheme, described system comprises:
At least one server unit (2);
At least one client unit (6,8,10);
Wherein said at least one server unit (2) is suitable for storage and exports the data of the technology item that relates at least one aircraft;
Wherein said at least one client unit (6,8,10) be suitable for sending a request of access to described at least one server unit (2) to access and processing said data;
Wherein said at least one server unit (2) is suitable for receiving and processing the described request of access from described at least one client unit (6,8,10);
Wherein said at least one server unit (2) is suitable for allowing the access to described data; And
The increase of the data to for each given aircraft or modification processing are limited in a client unit (6,8,10) at one time.
The system of scheme 2. schemes 1, wherein said server (2) is suitable for the snapshot that relates to the data of aircraft to be passed to client unit (6,8,10) for the modification during test flight.
The system of scheme 3. schemes 2, wherein said server unit (2) is suitable for being received in from client unit (6,8,10) snapshot that test flight is used the modification of the data that relate to aircraft afterwards.
Scheme 4. schemes 2 or 3 system, wherein said server unit (2) is suitable for being passed to client unit (6 at the snapshot of described data, 8,10) described snapshot is passed back described server unit (2) before afterwards and after test flight, will be read-only to the restrict access of described data.
Any one system in scheme 5. aforementioned schemes, wherein said client unit is mobile computer (10).
Any one system in scheme 6. aforementioned schemes, wherein said client unit (6,8,10) is workstation (6,8), it is exclusively used in for the workplace of the test flight line of given aircraft or office work place.
Any one system in scheme 7. aforementioned schemes, wherein said server (2) is suitable for the access to described data according to user's license restrictions.
8. 1 kinds of methods for the technology item of record-setting flight device of scheme, described method comprises the steps:
From client unit (6,8,10) to described server unit, send a request of access (32) to access and to process the data of the technology item that relates at least one aircraft;
By described server unit (2), receive and process the request of access (72) from described client unit (6,8,10);
Permission is to the access of described data (74); And
By described server unit (2), the increase of the data to for each given aircraft or modification processing are limited in to a client unit (76) at one time.
The method of scheme 9. schemes 8,
Wherein in the beginning of test flight program, in described at least one server unit (2), create for storing the data set (70) about the information of the technology item of aircraft; And
Wherein after completing described test flight program, described data set is closed (86).
The method of one of scheme 10. scheme 8-9,
The data of wherein said request relate to the snapshot (78) of the data of described technology item;
Wherein after sending to described at least one client unit (6,8,10), the described described data set of at least one server unit (2) is set to read-only (80);
Wherein said at least one client unit (6,8,10) is revised described data (82) during test flight;
Wherein said at least one client unit (6,8,10) is beamed back described server unit (2) (24) by the data of described modification;
Wherein said at least one server unit (2) removes a read states (84) from described data set.
11. 1 kinds of computer programs for the technology item of record-setting flight device of scheme, for implementing as the step of scheme 8 when described computer program moves on computers, comprising:
The first program code devices, relates to the data of the technology item of at least one aircraft for send a request of access from client unit to described server unit (2) with access and processing;
The second program code devices, for being received and processed the request of access from described client unit (6,8,10) by described server unit (2);
The 3rd program code devices, for permitting the access to described data;
The 4th program code devices, for being limited in the increase of the data to for each given aircraft and modification processing at one time in a client unit (6,8,10) by described server unit (2).
Although use the embodiment of the electronic diary that is used for test flight to describe according to system of the present invention, method and computer program, the present invention is not limited thereto.Likely by this daily record for needing a large amount of various application of documenting of technology item, such as medical treatment device, power-equipment and motor vehicles etc.
Claims (8)
1. for a system for the technology item of record-setting flight device, described system comprises:
-at least one server unit (2);
-at least one client unit (6,8,10);
-wherein, described at least one server unit (2) is suitable for storage and exports the daily record data of the technology item that relates at least one aircraft;
-wherein, described at least one client unit (6,8,10) be suitable for sending request of access to described at least one server unit (2) to access and to process the described daily record data of the technology item that relates at least one aircraft;
-wherein, described at least one server unit (2) is suitable for receiving and processing the described request of access from described at least one client unit (6,8,10);
-wherein, described at least one server unit (2) is suitable for allowing the access of described at least one client unit (6,8,10) to described daily record data;
-increase of the described daily record data to for each given aircraft or modification processing are limited in to a client unit (6 at one time, 8,10) on, so that when a user is increasing or revising daily record data during test flight, other user is inhibited in the daily record data that identical time modification is identical;
-wherein, described server unit (2) is suitable for the snapshot that relates to the described daily record data of aircraft to be passed to client unit (6,8,10) for the modification during test flight,
-wherein, described server unit (2) is suitable for being received in from client unit (6,8,10) snapshot of the modification of the described daily record data that relates to aircraft after using during test flight, and
-wherein, described server unit (2) is suitable for being passed to client unit (6 at the snapshot of described daily record data, 8,10) described snapshot is passed back described server unit (2) before afterwards and after test flight, will be read-only to the restrict access of described daily record data.
2. system according to claim 1,
Wherein, described client unit is mobile computer (10).
3. according to any one system in aforementioned claim,
Wherein, described client unit (6,8,10) is workstation (6,8), and it is exclusively used in for the workplace of the test flight line of given aircraft or office work place.
4. according to any one system in aforementioned claim,
Wherein, described server unit (2) is suitable for limiting the access to described daily record data according to user's license.
5. for a method for the technology item of record-setting flight device during test flight, described method comprises the steps:
-from client unit (6,8,10) to described server unit, send request of access (32) to access and to process the daily record data of the technology item that relates at least one aircraft;
-by described server unit (2), receive and process the described request of access (72) from described client unit (6,8,10);
-allow at least one client unit to the access of described daily record data (74), and the snapshot that relates to the described daily record data of aircraft is passed to client unit (6,8,10) separately for the modification during test flight;
-by described server unit (2), after the snapshot of described daily record data has been passed to described client unit, the increase of the described daily record data to for each given aircraft or modification processing are limited in to a client unit (76) at one time, so that when a user is increasing or is revising daily record data during test flight, other user is inhibited in identical time increase or revises identical daily record data, and
-after being used during test flight by described server unit, from client unit (6,8,10), receive the snapshot of the modification of the described daily record data relate to aircraft.
6. method according to claim 5,
-wherein, in the beginning of test flight program, in described at least one server unit (2), create for storing the data set (70) about the information of the technology item of aircraft; And
-wherein, after completing described test flight program, described data set is closed (86).
7. according to the method for claim 5 or 6,
-wherein, described at least one server unit (2) described data set after sending to described at least one client unit (6,8,10) is set to read-only (80);
-wherein, described at least one client unit (6,8,10) is revised described daily record data (82) during test flight;
-wherein, described at least one client unit (6,8,10) is beamed back described server unit (2) (24) by revised daily record data;
-wherein, described at least one server unit (2) removes a read states (84) from described data set.
8. for an equipment for the technology item of record-setting flight device during test flight, described equipment comprises:
-first device, relates to the daily record data of the technology item of at least one aircraft for send request of access from client unit to described server unit (2) with access and processing;
The-the second device, for being received and processed the described request of access from described client unit (6,8,10) by described server unit (2);
-tri-device, for permitting the access of described client unit (6,8,10) to described daily record data, and for the snapshot that relates to the described daily record data of aircraft being passed to client unit (6,8,10) separately for the modification during test flight;
-tetra-devices, for the increase of the described daily record data to for each given aircraft or modification processing being limited at one time to a client unit (6 by described server unit (2) after the snapshot of described daily record data has been passed to described client unit, 8,10) on, so that when a user is increasing or revising daily record data during test flight, other user is inhibited in the daily record data that identical time modification is identical; With
-five devices, for receiving the snapshot of the modification of the described daily record data that relates to aircraft from client unit (6,8,10) after using during test flight by described server unit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410102985.9A CN104021421A (en) | 2006-05-31 | 2006-05-31 | Electronic technique log |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410102985.9A CN104021421A (en) | 2006-05-31 | 2006-05-31 | Electronic technique log |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2006100830898A Division CN101082968A (en) | 2006-05-31 | 2006-05-31 | Electronic technology diary |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104021421A true CN104021421A (en) | 2014-09-03 |
Family
ID=51438163
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410102985.9A Pending CN104021421A (en) | 2006-05-31 | 2006-05-31 | Electronic technique log |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104021421A (en) |
-
2006
- 2006-05-31 CN CN201410102985.9A patent/CN104021421A/en active Pending
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