CN107092687B - A kind of vacant lot multi-source data management platform - Google Patents

A kind of vacant lot multi-source data management platform Download PDF

Info

Publication number
CN107092687B
CN107092687B CN201710269856.2A CN201710269856A CN107092687B CN 107092687 B CN107092687 B CN 107092687B CN 201710269856 A CN201710269856 A CN 201710269856A CN 107092687 B CN107092687 B CN 107092687B
Authority
CN
China
Prior art keywords
data
source data
unit
radome fairing
vacant lot
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
Application number
CN201710269856.2A
Other languages
Chinese (zh)
Other versions
CN107092687A (en
Inventor
袁国辉
刘萌伟
张小雯
杨平
陈柏年
李辉琼
杨子力
冯笑妍
严梓浚
李广兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Guangzhou Natural Resources Surveying and Mapping Co.,Ltd.
Original Assignee
Guangzhou Real Estate Surveying And Mapping Institute (guangzhou Surveying And Mapping Product Quality Inspection Center)
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Guangzhou Real Estate Surveying And Mapping Institute (guangzhou Surveying And Mapping Product Quality Inspection Center) filed Critical Guangzhou Real Estate Surveying And Mapping Institute (guangzhou Surveying And Mapping Product Quality Inspection Center)
Priority to CN201710269856.2A priority Critical patent/CN107092687B/en
Publication of CN107092687A publication Critical patent/CN107092687A/en
Application granted granted Critical
Publication of CN107092687B publication Critical patent/CN107092687B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64DEQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
    • B64D47/00Equipment not otherwise provided for
    • B64D47/08Arrangements of cameras
    • GPHYSICS
    • G06COMPUTING; CALCULATING OR COUNTING
    • G06FELECTRIC DIGITAL DATA PROCESSING
    • G06F16/00Information retrieval; Database structures therefor; File system structures therefor
    • G06F16/20Information retrieval; Database structures therefor; File system structures therefor of structured data, e.g. relational data
    • G06F16/29Geographical information databases

Landscapes

  • Engineering & Computer Science (AREA)
  • Databases & Information Systems (AREA)
  • Theoretical Computer Science (AREA)
  • Remote Sensing (AREA)
  • Data Mining & Analysis (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Position Fixing By Use Of Radio Waves (AREA)
  • Management, Administration, Business Operations System, And Electronic Commerce (AREA)

Abstract

The invention discloses a kind of vacant lot multi-source data management platforms, and including multi-source data administrative unit, data are opened for being divided into geographic information data from gathered data and internet, and will be described from the locally stored database of gathered data;It is divided into Large Volume Data and low capacity data management by storage volume from gathered data by described simultaneously;Multi-source data buffer unit cuts diagram technology using distribution to Large Volume Data and carries out piecemeal, the multistage golden word image cache of layering generation;Figure caching is cut using tile to low capacity data;Multi-source data display platform unit, user is showed by geographic information data.The present invention cuts figure caching technology as core by using tile, various types of geodata is merged, it is browsed for user, user is allowed emphasis to be transferred to the utilization of geodata, rather than in the mutual conversion of geodata, the data of each administrative part is made to realize intercommunication, work efficiency is improved, effectively solves the problems, such as data silo.

Description

A kind of vacant lot multi-source data management platform
Technical field
The invention belongs to Data fusion technique fields, and in particular to a kind of vacant lot multi-source data management platform.
Background technology
With national economy and the development of society, the technology of internet is maked rapid progress, government agencies at all levels and the public Growing day by day to the demand of authority, feasible geographic information data service, an urgent demand realizes that the whole nation is multiple dimensioned, polymorphic type is geographical The comprehensive utilization and online service of information data, therefore it provides the geographic information public service platform construction of geographic information data It will be national Mapping departments give priority to construction from now on a direction.
With the progress of the new surveying and mapping technologies such as oblique photograph, streetscape 3 D laser scanning, geodata achievement becomes Become increasingly abundant, but at present above-mentioned these new geodatas all it is most of can only in some professional data browser into The single browsing of row, the deficiencies such as data utilization ratio low poor there are viewing experience.
The content of the invention
The technical issues of present invention is in order to solve the single browsing use of above-mentioned new geodata, efficiency is low, experience is poor, A kind of energy is provided and merges a variety of geodatas, the vacant lot multi-source data management platform for user experience.
To solve the above-mentioned problems, the present invention is achieved by following technical scheme:
Multi-source data management platform in vacant lot of the present invention, including multi-source data administrative unit, multi-source data buffer unit, Multi-source data display platform unit;
The multi-source data administrative unit opens number for being divided into geographic information data from gathered data and internet According to, and will be described from the locally stored database of gathered data;It is divided into described greatly by storage volume from gathered data simultaneously Capacity data and low capacity data management;
The multi-source data buffer unit cuts diagram technology using distribution to Large Volume Data and carries out piecemeal, layering generation Multistage pyramid image cache;Figure caching is cut using tile to low capacity data;
The multi-source data display platform unit shows the geographic information data in the multi-source data buffer unit User.
Further, the Large Volume Data is the data more than GB grades, and the low capacity data are the number less than GB grades According to.
Further, rights management unit is further included, user right is set, and multi-source data display platform unit is according to permission The user right that administrative unit is set shows the geographic information data of corresponding authority to user, sets the access number of different rights According to the Permission Levels such as government department are high, and the Permission Levels of enterprise or individual are low, are opened for enterprise or a Man's Demands correspondence Geographic information data is put, improves the speed of browsing, it is ensured that the security of information.
Further, self-defined business platform unit is further included, the function that can customize is provided for the user of different rights Customization units so that user can targetedly develop, and better experience is provided for terminal user.
Further, the Large Volume Data includes outdoor scene model data, high resolution image data, streetscape data;Institute Stating low capacity data includes vector data, data form, picture;The internet open data packet includes point of interest, LBS positioning letters Breath, navigation path.
Further, it is described to be gathered from gathered data by holder for aerial photographing;
The holder for aerial photographing includes quick assembling mechanism, shock absorber, radome fairing, several cameras being arranged on inside radome fairing, master Control unit, power supply, high accuracy positioning determine appearance module (Positioning and Orientation System, POS);
The quick assembling mechanism is arranged on the top of the radome fairing, the shock absorber be arranged on quick assembling mechanism and radome fairing it Between;
The camera includes facing angle camera and four oblique viewing angle cameras;The boresight direction of the positive visual angle camera is vertical It is down-set in radome fairing;The oblique viewing angle camera is distributed in the radome fairing on positive visual angle camera point circumference array On;
The camera, power supply, high accuracy positioning are determined appearance module and are connected respectively with main control unit.Using
Further, the radome fairing includes upper cover, lower cover, and supporting rack is provided in the radome fairing;
Support frame as described above includes link, bearing support, and the power supply, main control unit and high accuracy positioning determine appearance module (POS) it is arranged on the bearing support, the link connects the upper cover, lower cover, bearing support;The camera is arranged on institute It states in lower cover.
Further, the high accuracy positioning determines the D coordinates value and three of appearance module (POS) record image shot by camera A angle value, and pass data to main control unit, geographic information data that the main control unit uses camera and high-precision The coordinate value and angle value that degree positioning and orientation module (POS) records are delivered to multi-source data administrative unit so that system can be quick The position of image information is determined according to coordinate value and angle value, each scattered pictorial information is scrabbled up into complete geographical letter Breath improves the efficiency and precision of image processing.
Further, the quick assembling mechanism includes Quick-mounting board, two quick-mounting clamps being arranged in parallel being arranged on Quick-mounting board Button, the cross section of the fast-assembling buckle is Z-shaped;The fast-assembling buckle is on setting substantially symmetrical about its central axis;
Further, the installing plate for being connected with shock absorber is provided at the top of the radome fairing, the installing plate Upper side is evenly arranged with several briquettings, and the briquetting, installing plate, are correspondingly arranged on link the roof of radome fairing respectively Through hole and threaded hole;The briquetting is connected fixation, the utility model energy rapid-assembling/disassembling with radome fairing, link by hand button screw Holder while meeting high positional precision, high resolution image, realizes miniaturization, the lightweight of holder for aerial photographing, and module The dismounting of change is suitable for a variety of aircraft, adapts to various operating modes, efficient, purposes is wide.
Compared with prior art, the beneficial effects of the invention are as follows:
The present invention cuts figure caching technology as core by using tile, and various types of geodata is merged, and supplies User browses, and user is allowed emphasis to be transferred in the utilization of geodata rather than the mutual conversion of geodata, makes each administration Partial data realize intercommunication, improve work efficiency, effectively solve the problems, such as data silo.
Description of the drawings
The specific embodiment of the present invention is described in further detail below in conjunction with the accompanying drawings, wherein:
Fig. 1 is the principle schematic of multi-source data management platform in vacant lot of the present invention;
Fig. 2 is the structure diagram of the holder for aerial photographing of multi-source data management platform in vacant lot of the present invention;
Wherein, 100- multi-source datas administrative unit, 200- multi-source data buffer units, 300- multi-source data display platform lists Member, 301- rights management units, the self-defined business platform units of 400-, 401- customizing functions units, 1- fast-assemblings buckle, 2- shock-absorbings Device, 3- pressing plates, 4-POS signal wires, 5- power supplys, 6- high accuracy positionings determine appearance module (POS), 7- oblique viewing angle cameras, 8- cameras Fixed seat, the positive visual angle cameras of 9-, 10- camera control lines, 11- bearing supports, 12- main control modules, 13- radome fairings.
Specific embodiment
The preferred embodiment of the present invention is illustrated below in conjunction with attached drawing, it should be understood that preferred reality described herein It applies example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
As shown in Fig. 1~Fig. 2, multi-source data management platform in vacant lot of the present invention, including multi-source data administrative unit 100th, multi-source data buffer unit 200, multi-source data display platform unit 300, rights management unit 301, self-defined business are put down Platform unit 400.
The multi-source data administrative unit 100, for being divided into geographic information data from gathered data and internet opening Data, and will be described from the locally stored database of gathered data;It is divided into simultaneously by described from gathered data by storage volume Large Volume Data and low capacity data management;The Large Volume Data is the data more than GB grades, and the low capacity data are small In GB grades of data.
The multi-source data buffer unit 200 cuts diagram technology using distribution to Large Volume Data and carries out piecemeal, layering life Into multistage pyramid image cache;Figure caching is cut using tile to low capacity data.
The rights management unit 301 sets user right.
The user right that the multi-source data display platform unit 300 is set according to rights management unit 301, gives user's exhibition Show the geographic information data of corresponding authority.
The self-defined business platform unit 400 provides the customizing functions unit that can customize for the user of different rights 401。
The Large Volume Data includes outdoor scene model data, high resolution image data, streetscape data;The low capacity number According to including vector data, data form, picture;The internet open data packet includes point of interest, LBS location informations, navigation rail Mark.
It is described to be gathered from gathered data by holder for aerial photographing;The holder for aerial photographing includes quick assembling mechanism, shock absorber 2, rectification Cover 13, several cameras, main control unit 12, power supply 5, the high accuracy positioning being arranged on inside radome fairing 13 determine appearance module 6 (Positioning and Orientation System, POS).
The quick assembling mechanism is arranged on the top of the radome fairing 13, and the shock absorber 2 is arranged on fast mechanism and radome fairing Between 13;The fast-assembling buckle 1 that the quick assembling mechanism includes Quick-mounting board 110, two be arranged on Quick-mounting board 110 are arranged in parallel, The cross section of the fast-assembling buckle 1 is Z-shaped;The fast-assembling buckle 1 is on setting substantially symmetrical about its central axis.
The top of the radome fairing 13 is provided with the installing plate 31 being connected with shock absorber 2,31 upper table of installing plate The edge in face is evenly arranged with briquetting 3, is provided with through hole on the briquetting 3, on the top of the radome fairing 13, link respectively Hole is threaded, the through hole of the briquetting 3 is provided through the screw of the threaded hole.The screw is the hand button of quick locking Screw 32.
The camera includes facing angle camera 9 and four oblique viewing angle cameras 7;The boresight direction of the positive visual angle camera 9 It is arranged on straight down in radome fairing 13;The oblique viewing angle camera 7 is on positive 9 circumference array distributions of visual angle camera described On radome fairing 13;The camera is determined appearance module by camera control line 10, power supply, high accuracy positioning and is distinguished by POS signal wires It is connected with main control unit 12.
The radome fairing 13 includes upper cover, lower cover, and supporting rack is provided in the radome fairing 13;Support frame as described above includes connecting Frame, bearing support 11 are connect, the power supply 5, main control unit 12 and high accuracy positioning determine appearance module (POS) 6 and be arranged on the bearing support On 11, the main control unit 12 and high-precision POS are separately positioned on the both sides of the power supply 5, on the link connection is described Cover, lower cover, bearing support 11;The center of the outer surface of the lower cover sets fluted, the sidewall slope setting of the groove, The side wall of the groove and the angle of bottom wall are 110 ° -140 °, and in the present embodiment, the side wall of the groove and the angle of bottom wall are 135 °, the bottom wall of the groove, which has, is provided with several through holes for being used to install camera on side wall;The through hole edge is provided with solid Determine hole, the afterbody of the positive visual angle camera and oblique viewing angle camera excircle is both provided with installation sleeve 8, the installation sleeve 8 On be provided with through hole with mounting hole cooperation, the installation sleeve 8 is connected by screw with lower cover.The positive visual angle camera It is arranged on the bottom wall of groove, and the visual axis of the positive visual angle camera is vertical with the bottom wall of groove, the oblique viewing angle phase Machine is arranged on the side wall of the groove, and the side wall of the visual axis and the groove of the oblique viewing angle camera is vertically arranged.
The high accuracy positioning determines the D coordinates value and three angle values that appearance module (POS) 6 records image shot by camera, And main control unit 12 is passed data to, main control unit 12 stores the coordinate value of image and angle value together with image, convenient Positioning of the later stage for image procossing improves the efficiency and precision of image procossing, is provided for geographical information sharing platform accurate, rich Rich geography information improves experience of the people for geography information.
The present invention takes data different modes storage management, logarithm according to data acquisition source and data capacity size According to distribution is used to cut diagram technology, the multi-source data buffer unit of generation multilayer pyramid caching, loading cuts figure caching and cuts figure number According to, and can realize the multi-source data display platform unit simply inquired about, according to user right rank, bound data source loads Rights management unit, the self-defined business platform unit that user carries out according to itself practical business and customized are supplied to user certainly The customizing functions unit of definition module regarded as output controlling.
A kind of other structures of vacant lot multi-source data management platform are referring to the prior art described in the present embodiment.
The above described is only a preferred embodiment of the present invention, not make limitation in any form to the present invention, therefore Every any modification that without departing from technical solution of the present invention content, technical spirit according to the invention makees above example, Equivalent variations and modification, in the range of still falling within technical solution of the present invention.

Claims (9)

1. a kind of vacant lot multi-source data management platform, it is characterised in that:It is single including multi-source data administrative unit, multi-source data caching Member, multi-source data display platform unit;
The multi-source data administrative unit opens data for being divided into geographic information data from gathered data and internet, and It and will be described from the locally stored database of gathered data;It is divided into large capacity number by storage volume from gathered data by described simultaneously According to low capacity data management;The Large Volume Data includes outdoor scene model data, high resolution image data, streetscape data; The low capacity data include vector data, data form, picture;The internet open data packet includes point of interest, LBS positioning Information, navigation path;
The multi-source data buffer unit cuts diagram technology using distribution to Large Volume Data and carries out piecemeal, and layering generation is multistage Pyramid image cache;Figure caching is cut using tile to low capacity data;
Geographic information data in the multi-source data buffer unit is showed use by the multi-source data display platform unit Family.
2. vacant lot multi-source data management platform according to claim 1, it is characterised in that:The Large Volume Data is more than GB The data of grade, the low capacity data are the data less than GB grades.
3. vacant lot multi-source data management platform according to claim 1, it is characterised in that:Rights management unit is further included, if User right is put, the user right that multi-source data display platform unit is set according to rights management unit shows to user and corresponds to The geographic information data of permission.
4. vacant lot multi-source data management platform according to claim 3, it is characterised in that:Further include self-defined business platform list Member provides the customizing functions unit that can customize for the user of different rights.
5. according to any one of Claims 1-4 vacant lot multi-source data management platform, it is characterised in that:Certainly the acquisition number It is gathered according to by holder for aerial photographing;
The holder for aerial photographing includes quick assembling mechanism, shock absorber, radome fairing, several cameras being arranged on inside radome fairing, master control list Member, power supply, high accuracy positioning determine appearance module (POS);
The quick assembling mechanism is arranged on the top of the radome fairing, and the shock absorber is arranged between quick assembling mechanism and radome fairing;
The camera includes facing angle camera and four oblique viewing angle cameras;The boresight direction of the positive visual angle camera is straight down It is arranged in radome fairing;The oblique viewing angle camera is distributed on positive visual angle camera point circumference array on the radome fairing;
The camera, power supply, high accuracy positioning are determined appearance module and are connected respectively with main control unit.
6. vacant lot multi-source data management platform according to claim 5, it is characterised in that:The radome fairing include upper cover, under It covers, supporting rack is provided in the radome fairing;
Support frame as described above includes link, bearing support, and it is equal that the power supply, main control unit and high accuracy positioning determine appearance module (POS) It is arranged on the bearing support, the link connects the upper cover, lower cover, bearing support;The camera is arranged on the lower cover On.
7. vacant lot multi-source data management platform according to claim 6, it is characterised in that:The high accuracy positioning determines appearance module (POS) D coordinates value and three angle values of image shot by camera are recorded, and passes data to main control unit, the master control The geographic information data and high accuracy positioning that unit collects camera determine appearance module (POS) record coordinate value and angle value it is defeated It send to multi-source data administrative unit.
8. vacant lot multi-source data management platform according to claim 7, it is characterised in that:The quick assembling mechanism includes fast-assembling The fast-assembling buckle that plate, two be arranged on Quick-mounting board are arranged in parallel, the cross section of the fast-assembling buckle is Z-shaped;The fast-assembling Buckle is on setting substantially symmetrical about its central axis.
9. vacant lot multi-source data management platform according to claim 8, it is characterised in that:It is provided at the top of the radome fairing For the installing plate being connected with shock absorber, the upper side of the installing plate is evenly arranged with several briquettings, the briquetting, installation Plate, the roof of radome fairing, link are respectively arranged with through hole or threaded hole;The briquetting passes through hand button screw and radome fairing, company Frame connection is connect to fix.
CN201710269856.2A 2017-04-24 2017-04-24 A kind of vacant lot multi-source data management platform Active CN107092687B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201710269856.2A CN107092687B (en) 2017-04-24 2017-04-24 A kind of vacant lot multi-source data management platform

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201710269856.2A CN107092687B (en) 2017-04-24 2017-04-24 A kind of vacant lot multi-source data management platform

Publications (2)

Publication Number Publication Date
CN107092687A CN107092687A (en) 2017-08-25
CN107092687B true CN107092687B (en) 2018-05-29

Family

ID=59637694

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201710269856.2A Active CN107092687B (en) 2017-04-24 2017-04-24 A kind of vacant lot multi-source data management platform

Country Status (1)

Country Link
CN (1) CN107092687B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108036775A (en) * 2018-01-17 2018-05-15 北京量子星光科技有限公司 A kind of aerial survey gondola
CN107972881A (en) * 2018-01-17 2018-05-01 北京量子星光科技有限公司 A kind of multifunction camera cover and its aerial survey gondola

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104880177A (en) * 2015-06-23 2015-09-02 赵国梁 Multi-angle unmanned aerial survey system
CN104899282A (en) * 2015-06-02 2015-09-09 北京博阳世通信息技术有限公司 Processing method and search method for multiple-source and multi-temporal satellite image tile data
CN106407454A (en) * 2016-09-30 2017-02-15 浙江大学 Five-layer fifteen-level based tile type loading method for remote sensing image

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7657516B2 (en) * 2003-12-01 2010-02-02 Siebel Systems, Inc. Conversion of a relational database query to a query of a multidimensional data source by modeling the multidimensional data source

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104899282A (en) * 2015-06-02 2015-09-09 北京博阳世通信息技术有限公司 Processing method and search method for multiple-source and multi-temporal satellite image tile data
CN104880177A (en) * 2015-06-23 2015-09-02 赵国梁 Multi-angle unmanned aerial survey system
CN106407454A (en) * 2016-09-30 2017-02-15 浙江大学 Five-layer fifteen-level based tile type loading method for remote sensing image

Also Published As

Publication number Publication date
CN107092687A (en) 2017-08-25

Similar Documents

Publication Publication Date Title
CN103047971A (en) Economical airborne oblique digital aerial photography system
CN106874436A (en) The Multi-Source Image Data Fusion imaging system of three-dimensional police geographical information platform
CN107092687B (en) A kind of vacant lot multi-source data management platform
CN105025255B (en) A kind of city management processing system for video and method of work
CN205981202U (en) Unmanned aerial vehicle oblique photography device and unmanned aerial vehicle
CN204331251U (en) A kind of insect specimen multi-C stereo photography shooting frame
CN105956056B (en) A kind of digital city management method and system based on enhancing outdoor scene
CN102637408A (en) Remote monitoring method of LED (light-emitting diode) media screen
CN101266545A (en) Electric power industry integral supporting platform
CN110097270A (en) A kind of real estate surveys system
CN207302483U (en) A kind of ecological agriculture Multifunction travelling direction board
CN209560591U (en) A kind of operation scheduling on transmission net of electric power management system
CN112590646A (en) Electric power overhaul work bench and overhaul vehicle
CN207045770U (en) A kind of holder for aerial photographing being convenient to mount and dismount
CN115493567B (en) Territorial mapping and drawing method, system and application based on unmanned aerial vehicle technology
CN205959481U (en) High school physics lever teaching aid
CN206832238U (en) Antenna for base station engineering parameter automatic acquisition device
CN207588559U (en) A kind of power scheduling control centre integrated monitoring device
CN207367515U (en) A kind of college students'employment tutorial message shows device
CN205486258U (en) Campus panel control management system
Fang et al. Management Information System of Self-made Devices by University Teachers Integrating 3D real scene
CN212207849U (en) Sand table for city planning and construction
CN102625166A (en) LED (light-emitting diode) medium screen monitoring system
CN208421212U (en) Vehicle-mounted mobile laser radar system mounting bracket
CN214947794U (en) Business administration propaganda device for information technology

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right

Effective date of registration: 20230824

Address after: One of No. 76 Courtyard, No. 81 Xianlie Middle Road, Yuexiu District, Guangzhou City, Guangdong Province

Patentee after: Guangzhou Natural Resources Surveying and Mapping Co.,Ltd.

Address before: Room 408, No. 193 Haoxian Road, Guangzhou, Guangdong Province, 510055

Patentee before: GUANGZHOU REAL ESTATE SURVEYING AND MAPPING INSTITUTE (GUANGZHOU PLOTTING PRODUCTS QUALITY INSPECTION CENTER)

TR01 Transfer of patent right