CN105157685B - A kind of measurement target drone pedestal and full machine measure landmark system - Google Patents
A kind of measurement target drone pedestal and full machine measure landmark system Download PDFInfo
- Publication number
- CN105157685B CN105157685B CN201510492731.7A CN201510492731A CN105157685B CN 105157685 B CN105157685 B CN 105157685B CN 201510492731 A CN201510492731 A CN 201510492731A CN 105157685 B CN105157685 B CN 105157685B
- Authority
- CN
- China
- Prior art keywords
- pedestal
- firm banking
- measurement target
- cover sheet
- target drone
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/002—Active optical surveying means
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The present invention relates to a kind of measurement target drone pedestal and full machines to measure landmark system, which includes target seat and locating piece, and target seat is mainly made of cover sheet and firm banking, cover sheet and firm banking is arranged in parallel and connection is fixed as one；Locating piece adjustably all around moves, and between cover sheet and firm banking, the upper surface of cover sheet is equipped with location hole, and locating piece is located at the underface of location hole.The centre coordinate of target ball being placed on location hole can be adjusted in this way, using flexible, conveniently is easy to operate, effectively improves measuring accuracy of the laser tracker to target Zuo Shang targets ball center coordinate；And the full machine measurement landmark system measurement terrestrial reference covering surface for using centered on aircraft symmetrical center line to be measured and being rectangle several measurement target drone pedestals of setting of uniformly arranging is big, measuring accuracy and security performance are high, it is convenient to turn station, the resetting of target pedestal need not be measured, economic benefit is huge.
Description
Technical field
The invention belongs to full machine field of measuring technique, more particularly to a kind of measurement target drone pedestal and full machine measure terrestrial reference system
System.
Background technology
At present, it when carrying out full machine horizontal measurement to aircraft both at home and abroad, is typically completed using spirit level, measurement accuracy
Very poor, measurement efficiency is extremely low.For this purpose, now with using laser tracker and combine target ball (landmark point) measure, but
These target balls are all arranged along aircraft configuration, are be easy to cause target ball sight and are blocked, and are caused to measure inaccurate or can not be surveyed
Amount, performance are extremely unstable；And the target pedestal of these target balls is typically directly placed on the ground of workshop, target ball
It is placed on again on target seat, is required for resetting, target seat is set when measuring every time, move repeatedly, adjust and greatly increase survey
The labor intensity of examination personnel, measurement accuracy is unstable, and testing efficiency is also very low, and target ball and target seat are also easily touched
It touches, not only influences the precision of landmark point, reclamation work is caused to increase, staff and equipment on road surface can be also influenced and pass through, gesture
It must cause to touch, stumble, easy tumble injury worker, there are security risks.
In addition, existing target seat all only simply sets target ball mounting hole in upper surface, without other functions,
Such as when the flatness that target seat installs ground is bad, horizontal adjustment can not be carried out to realize the tune of target ball center coordinate
Whole, measuring accuracy can not ensure.
Invention content
To solve the above-mentioned problems in the prior art, can determine the present invention provides a kind of being placed on the target seat
The centre coordinate of target ball on the hole of position is adjusted, to meet different installation environments and measurement demand, using flexible, conveniently,
Easy to operate, also adjustable, holding horizontality effectively improves survey of the laser tracker to target Zuo Shang targets ball center coordinate
Accuracy is measured, and simple in structure, production and processing is easy, is conducive to the measurement target drone pedestal promoted and applied.
The present invention also provides one kind to employ the measurement target drone pedestal, without being set, being set to target seat repeatedly,
It measuring workload and time of measuring is few, full machine measurement efficiency is high, and aircraft manufacturing cost reduction also prevents there are security risk, and
Rational in infrastructure, science, ingenious, it is easy to implement engineering, brings economic benefit huge, readily full machine measures terrestrial reference system for popularization and application
System.
In order to solve the above technical problems, the present invention adopts the following technical scheme that：
A kind of measurement target drone pedestal includes target seat and locating piece, and the target seat is mainly by cover sheet and fixation
Pedestal form, the cover sheet and firm banking it is arranged in parallel and connection be fixed as one；The locating piece can be front and rear left
It moves right, be adjustably set between cover sheet and firm banking, the upper surface of the cover sheet is equipped with location hole, described fixed
Position block is located at the underface of location hole.
Further, locating piece regulating mechanism, the locating piece tune are additionally provided between the cover sheet and firm banking
Section mechanism includes adjusting fixed blocks set on four pieces of locating piece side and level is threaded through every piece and adjusts on fixed block and towards fixed
The positioning adjusting screw of position block；When adjusting fixed, the positioning adjusting screw is tightened to locating piece, locating piece is adjusted,
It is fixed.
Further, it fixed block head and the tail are adjusted connects, surround one for described four pieces, in " mouth " font, and and cover sheet
Or firm banking is integrally connected.
Further, the target seat includes cover sheet, firm banking and supporting block, the cover sheet and fixation
Pedestal is arranged in parallel, and the supporting block is set between cover sheet and firm banking, and positioned at close to cover sheet and admittedly
Determine the rim position of pedestal, and upper and lower ends connect fixation with cover sheet and firm banking.
Further, the bottom surface of the firm banking is equipped with to limit firm banking and the spacing on target seat installation ground
From leveling limit column, the leveling limits that column is longitudinally movable, is adjustably set on four corners of firm banking bottom surface.
Further, it is levelling bolt that the leveling, which limits column,.
A kind of full machine measures landmark system, includes centered on aircraft symmetrical center line to be measured and is rectangle uniformly
Several measurement target drone pedestals of the present invention of arrangement setting, the measurement target drone pedestal are embedded in ground, and each
The lower section of the measurement target drone pedestal is also embedded with fixed substrate, and the measurement target drone pedestal is connect with fixed substrate fixes one
Body.
Further, the spacing of the two neighboring measurement target drone pedestal is 2~4 meters.
Further, the fixed substrate is steel plate, and the measurement target drone pedestal is consolidated by what its firm banking was equipped with
Determine screw and connect with fixed substrate to be fixed as one.
Further, encapsulating layer, the filling are additionally provided between the firm banking of the measurement target drone pedestal and fixed substrate
Glue-line connect with firm banking and fixed substrate and is fixed as one.
Further, this full machine measures landmark system and further includes the protection cap identical with measurement target drone number of susceptors, institute
It states protection cap to cover correspondingly on measurement target drone pedestal, and maintains an equal level with ground.
The beneficial effects of the invention are as follows：
Measurement target drone pedestal of the present invention is through the above technical solutions, can be to the target that is placed on the location hole of the target seat
The centre coordinate of mark ball is adjusted, and to meet different installation environments and measurement demand, using flexible, conveniently is easy to operate, has
Effect improves measuring accuracy of the laser tracker to target Zuo Shang targets ball center coordinate；It and can be according to installation during user installation
The flatness on ground limits column to each leveling and is adjusted, and target seat is made to keep horizontality, further improves laser tracker
To the measuring accuracy of target Zuo Shang targets ball center coordinate；And it is simple in structure, production and processing is easy, is conducive to promote and answer
With.
In addition, the full machine of the present invention measure landmark system through the above technical solutions, when using without repeatedly to target seat into
Row setting, setting, it is easy to operate, measure workload and time of measuring and reduce, full machine measurement efficiency significantly improves, aircraft manufacturing into
This decline, the target seat for being arranged on underground realize workshop Wheelchair Accessible, be not only convenient for measuring use, but also prevent the presence of safety
Hidden danger meets engineering safety requirement, and it is more convenient, faster to turn station；It is big that terrestrial reference covering surface is measured simultaneously, solves conventional target standard seat
Arranged along aircraft configuration and be easy to cause the problem of landmark point sight is blocked, the stability that laser tracker measures target ball with
Reliability is high, high certainty of measurement, measuring apparatus cost reduction；And it is rational in infrastructure, science, ingenious, it is easy to implement engineering, brings
Economic benefit is huge, and popularization and application is easier.
Description of the drawings
Fig. 1 is a kind of dimensional structure diagram of measurement target drone base embodiment of the present invention；
Fig. 2 is a kind of perspective structure schematic diagram of measurement target drone base embodiment of the present invention；
Fig. 3 is the structure diagram that a kind of full machine of the present invention measures landmark system embodiment；
Fig. 4 is the partial structural diagram in a kind of full machine measurement landmark system embodiment of the present invention.
Specific embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to the accompanying drawings and embodiments, it is right
The present invention is further elaborated.It should be appreciated that specific embodiment described herein is only to explain the present invention, not
For limiting the present invention.
As shown in Figures 1 and 2：
An embodiment of the present invention provides a kind of measurement target drone pedestals, include target seat 1 and locating piece 2, the target seat 1
Mainly be made of cover sheet 11 and firm banking 12, the cover sheet 11 and firm banking 12 it is arranged in parallel and connect
It is fixed as one；The locating piece 2 can be moved all around, is adjustably set between cover sheet 11 and firm banking 12, described
The upper surface of cover sheet 11 is equipped with location hole 14, and the locating piece 2 is located at the underface of location hole 14.
Concrete structure can be：The target seat 1 includes cover sheet 11, firm banking 12 and supporting block 13, described
Cover sheet 11 and firm banking 12 are arranged in parallel, the supporting block 13 be set on cover sheet 11 and firm banking 12 it
Between, and it is located at the rim position close to cover sheet 11 and firm banking 12, and upper and lower ends and cover sheet 11 and fixed bottom
12 connection of seat is fixed.Locating piece regulating mechanism, the locating piece tune are additionally provided between the cover sheet 11 and firm banking 12
Section mechanism includes being threaded through on every piece of adjusting fixed block 15 set on the four pieces of adjusting fixed blocks 15 and level of 2 side of locating piece and court
To the positioning adjusting screw 16 of locating piece 2, wherein four pieces adjust fixed block 15 and connect from beginning to end, surround one, in " mouth " font, and
It is integrally connected with cover sheet 11 or firm banking 12；When adjusting fixed, the positioning adjusting screw 16 is tightened to locating piece 2,
Locating piece 2 is adjusted, is fixed.
Measurement target drone pedestal of the present invention is in use, can carry out locating piece 2 by turning positioning adjusting screw 16
Adjustment is fixed, and is adjusted so as to fulfill to the centre coordinate of target ball being placed on the location hole 14 of the target seat, with full
Foot difference installation environments and measurement demand, using flexible, conveniently is easy to operate, also effectively improves laser tracker to target seat
The measuring accuracy of upper target ball center coordinate, simple in structure, production and processing is easy, is conducive to promote and apply.
As a preferred embodiment of measurement target drone pedestal of the present invention, the bottom surface of the firm banking 12 is equipped with to limit
The leveling for determining distance between firm banking 12 and target seat installation ground limits column 17, and it can be leveling that the leveling, which limits column 17,
Screw, four corners that are longitudinally movable, being adjustably set on 12 bottom surface of firm banking.It in this way, can root during user installation
Column 17 is limited to each leveling to be adjusted, keep horizontal when installing and using target seat accordingly according to the flatness on installation ground
State further improves measuring accuracy of the laser tracker to target Zuo Shang targets ball center coordinate.
As shown in Figures 3 and 4：
An embodiment of the present invention provides a kind of full machines to measure landmark system, includes using aircraft symmetrical center line to be measured in
The heart and several the above-mentioned measurement target drone pedestals 3 for being rectangle uniformly arrangement setting, and two neighboring measurement target drone pedestal 3
Spacing is 2~4 meters (preferably 3 meters)；The measurement target drone pedestal 3 is embedded in ground, and under each measurement target drone pedestal 3
Side is also embedded with fixed substrate 4, and the measurement target drone pedestal 3 is connect with fixed substrate 4 to be fixed as one, and concrete structure can be：
The fixed substrate 4 is steel plate, and the measurement target drone pedestal 3 is by the fixed screw 18 that its firm banking 12 is equipped with fixing
The connection of substrate 4 is fixed as one.
It, only need to be in the measurement target drone base of each measurement point when being measured by full machine measurement landmark system of the present invention
Target ball is placed on seat 3, it is easy to operate without being set, being set to target seat repeatedly, greatly reduce measurement
Workload and time of measuring, full machine measurement efficiency significantly improve, and aircraft manufacturing cost declines, and are arranged on the measurement target of underground
It marks pedestal 3 and realizes workshop Wheelchair Accessible, be not only convenient for measuring use, but also prevent there are security risk, and met engineering safety requirement
It is more convenient, faster to turn station；Measurement target drone pedestal 3 is used centered on aircraft symmetrical center line to be measured and is rectangle simultaneously
Uniformly arrangement setting, measurement terrestrial reference covering surface is big, completely solves conventional target standard seat and is arranged along aircraft configuration and be easy to cause ground
The problem of punctuate sight is blocked, improves stability that laser tracker in full machine level measurement system measures target ball and can
By property, along with the spacing of two neighboring measurement target drone pedestal 3 met laser tracker limit 10 meters strafe in the range of height
Required precision, greatly ensure that measurement accuracy, and the quantity of required target (target seat and target ball) flies than conventional target standard seat edge
The quantity of machine shape arrangement can also greatly reduce, measuring apparatus cost reduction, not have to also worry working stand class tooling block vision；
And this full machine measure the structure of landmark system very rationally, it is science, ingenious, it is easy to implement engineering, brings economic benefit huge,
Popularization and application is easier.
A preferred embodiment of landmark system, the fixation bottom of the measurement target drone pedestal 3 are measured as full machine of the present invention
Encapsulating layer 5 is additionally provided between seat 12 and fixed substrate 4, the encapsulating layer 5 connect with firm banking 12 and fixed substrate 4 and fixes one
Body.In this way, can further strengthen the connection of firm banking 12 and fixed substrate 4, measurement target drone pedestal 3 is installed more securely, together
When can buffer people to a certain extent or when vehicle passes through acts on the power on measurement target drone pedestal 3, measurement target drone pedestal 3 is avoided to damage
It is bad, effectively prolong the service life, performance is also more stable.
The another preferred embodiment of landmark system is measured as full machine of the present invention, this full machine measures landmark system and further includes
There is the protection cap identical with 3 quantity of measurement target drone pedestal (not showing in figure), the protection cap is covered correspondingly to be surveyed
It measures on target pedestal 3, and maintains an equal level with ground.Protection cap is opened during measurement, and target ball is directly placed on target pedestal 3
On；Measurement, which finishes, to be taken target ball away, and cover protection cap.In this way, can not only dust be avoided to enter, but also can be to measurement target drone pedestal
3 carry out effective protection, further extend the service life of measurement target drone pedestal 3 and increase the stability of performance.
Certainly, full machine of the present invention measures landmark system can also be provided with the removable rubber when measuring in protection cap
Glue class is sealed with section bar material, further improves dirt exclusion capabilities.
The above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, various improvements and modifications may be made without departing from the principle of the present invention, these improvements and modifications are also considered as
Protection scope of the present invention.
Claims (10)
1. a kind of measurement target drone pedestal, it is characterised in that：Include target seat (1) and locating piece (2), the target seat (1) is main
It to be made of cover sheet (11) and firm banking (12), the cover sheet (11) and firm banking (12) are arranged in parallel
And connection is fixed as one；The locating piece (2) can all around move, adjustably be set on cover sheet (11) and firm banking
(12) between, the upper surface of the cover sheet (11) is equipped with location hole (14), and the locating piece (2) is positioned at location hole (14)
Underface；
Locating piece regulating mechanism, the locating piece regulating mechanism are additionally provided between the cover sheet (11) and firm banking (12)
Four pieces of adjusting fixed blocks (15) and level including being set on locating piece (2) side are threaded through on every piece of adjusting fixed block (15) and court
To the positioning adjusting screw (16) of locating piece (2)；When adjusting fixed, the positioning adjusting screw (16) is tightened to locating piece (2),
Locating piece (2) is adjusted, is fixed.
2. measurement target drone pedestal according to claim 1, it is characterised in that：Described four pieces adjust fixed block (15) and connect from beginning to end
It connects, surround one, be integrally connected in " mouth " font, and with cover sheet (11) or firm banking (12).
3. measurement target drone pedestal according to claim 1, it is characterised in that：The target seat (1) includes cover sheet
(11), firm banking (12) and supporting block (13), the cover sheet (11) and firm banking (12) are arranged in parallel, described
Supporting block (13) is located between cover sheet (11) and firm banking (12) close to cover sheet (11) and firm banking
(12) rim position, and upper and lower ends connect fixation with cover sheet (11) and firm banking (12).
4. the measurement target drone pedestal according to claims 1 or 2 or 3, it is characterised in that：The bottom surface of the firm banking (12)
Equipped with column (17) is limited for limiting the leveling of distance between firm banking (12) and target seat installation ground, the leveling limits
Column (17) is longitudinally movable, is adjustably set on four corners of firm banking (12) bottom surface.
5. measurement target drone pedestal according to claim 4, it is characterised in that：It is leveling spiral shell that the leveling, which limits column (17),
Nail.
6. a kind of full machine measures landmark system, it is characterised in that：Include centered on aircraft symmetrical center line to be measured and in length
Measurement target drone pedestal (3) described in several the claims 1 or 2 or 3 or 5 of rectangular uniform arrangement setting, the measurement
Target pedestal (3) is embedded in ground, and the lower section of each measurement target drone pedestal (3) is also embedded with fixed substrate (4), institute
It states measurement target drone pedestal (3) and is connect with fixed substrate (4) and is fixed as one.
7. full machine according to claim 6 measures landmark system, it is characterised in that：The two neighboring measurement target drone pedestal
(3) spacing is 2~4 meters.
8. full machine according to claim 6 measures landmark system, it is characterised in that：The fixed substrate (4) is steel plate, institute
It states measurement target drone pedestal (3) and fixation is connect with fixed substrate (4) by the fixed screw (18) that its firm banking (12) is equipped with
One.
9. full machine according to claim 7 measures landmark system, it is characterised in that：Measurement target drone pedestal (3) are consolidated
Determine to be additionally provided with encapsulating layer (5) between pedestal (12) and fixed substrate (4), the encapsulating layer (5) and firm banking (12) and fixation
Substrate (4) connection is fixed as one.
10. the full machine according to claim 7 or 8 or 9 measures landmark system, it is characterised in that：This full machine measures terrestrial reference system
System further includes the protection cap identical with measurement target drone pedestal (3) quantity, and the protection cap is covered correspondingly in measurement target drone
On pedestal (3), and maintain an equal level with ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492731.7A CN105157685B (en) | 2015-08-12 | 2015-08-12 | A kind of measurement target drone pedestal and full machine measure landmark system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510492731.7A CN105157685B (en) | 2015-08-12 | 2015-08-12 | A kind of measurement target drone pedestal and full machine measure landmark system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105157685A CN105157685A (en) | 2015-12-16 |
| CN105157685B true CN105157685B (en) | 2018-06-29 |
Family
ID=54798626
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510492731.7A Active CN105157685B (en) | 2015-08-12 | 2015-08-12 | A kind of measurement target drone pedestal and full machine measure landmark system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105157685B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106091927A (en) * | 2016-07-09 | 2016-11-09 | 大连理工大学 | A kind of levelling self-luminous Feature target |
| CN108871295A (en) * | 2018-06-27 | 2018-11-23 | 上海鼎艺冶金科技有限公司 | A kind of three-dimensional space setting-out system and its application method |
| CN112461509B (en) * | 2020-11-05 | 2022-04-15 | 中国科学院近代物理研究所 | Welding type target seat for particle accelerator element collimation measurement and use method thereof |
| CN112923851A (en) * | 2021-01-28 | 2021-06-08 | 中国科学院近代物理研究所 | Control net buried waterproof target seat for particle accelerator collimation and use method |
| CN113998141A (en) * | 2021-10-29 | 2022-02-01 | 中航通飞华南飞机工业有限公司 | Airplane measurement target assembly and airplane butt joint measurement system |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204881630U (en) * | 2015-08-12 | 2015-12-16 | 中航通飞华南飞机工业有限公司 | Terrestrial reference system is measured with full machine to measurement target drone base |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6964113B2 (en) * | 2001-03-06 | 2005-11-15 | Faro Laser Trackers, Llc | Scale-bar artifact and methods of use |
| CN101858754B (en) * | 2010-03-30 | 2012-12-26 | 浙江大学 | Inertial navigation level measurement method applied to airplane general assembly |
| CN102519430A (en) * | 2011-12-06 | 2012-06-27 | 江西洪都航空工业集团有限责任公司 | Horizontal laser measurement system and method for airplane |
| CN103292726B (en) * | 2013-05-09 | 2015-11-11 | 上海工程技术大学 | A kind of target ball fixing device of laser tracker and application thereof |
-
2015
- 2015-08-12 CN CN201510492731.7A patent/CN105157685B/en active Active
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN204881630U (en) * | 2015-08-12 | 2015-12-16 | 中航通飞华南飞机工业有限公司 | Terrestrial reference system is measured with full machine to measurement target drone base |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105157685A (en) | 2015-12-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105157685B (en) | A kind of measurement target drone pedestal and full machine measure landmark system | |
| CN103925892B (en) | Utilize the device of laser measurement metope or ground flat degree | |
| CN107449397A (en) | A kind of novel building engineering surveying instrument | |
| CN206113938U (en) | Take horizontal calibration's special tripod of survey and drawing | |
| CN105215890B (en) | Fixing device for detecting global deformation of ancient timber structure | |
| CN205919813U (en) | Surveyor's level is used in road survey and drawing | |
| CN207963877U (en) | A kind of portable geolocation information surveying instrument | |
| CN205280056U (en) | Box staff for topographic mapping | |
| CN204679077U (en) | A kind of GPS centering rod installing laser range finder | |
| CN207123280U (en) | A kind of novel building engineering surveying instrument | |
| CN204881630U (en) | Terrestrial reference system is measured with full machine to measurement target drone base | |
| CN203940818U (en) | Kink track alignment device | |
| CN203615880U (en) | Linearity detecting device for processing face of slide block of bending machine | |
| CN205957883U (en) | Long and narrow space internal wall verticality measuring instrument and measuring device | |
| CN201795791U (en) | Antenna azimuth angle measuring device | |
| CN205012378U (en) | Basic borer is used in building construction | |
| CN205898134U (en) | Auxiliary leveling device for total -station instruments | |
| CN210658479U (en) | Pile position checking device for pile foundation in percussion drilling construction | |
| CN208269886U (en) | A kind of levelling rod | |
| CN206609415U (en) | A kind of new auxiliary roughmeter measuring table | |
| CN209230626U (en) | A kind of leveling unit of cable bearer | |
| CN206459649U (en) | A kind of absolute altitude copies survey device and copies survey system | |
| CN209084346U (en) | A kind of portable prospecting surveying instrument support device | |
| CN204373649U (en) | A kind of measuring pen for industrial photogrammetry system | |
| CN209495701U (en) | A kind of total station protective device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |