CN105869687B - A kind of measuring method and measuring system of steel containment vessel moisture film coverage rate - Google Patents
A kind of measuring method and measuring system of steel containment vessel moisture film coverage rate Download PDFInfo
- Publication number
- CN105869687B CN105869687B CN201610172230.5A CN201610172230A CN105869687B CN 105869687 B CN105869687 B CN 105869687B CN 201610172230 A CN201610172230 A CN 201610172230A CN 105869687 B CN105869687 B CN 105869687B
- Authority
- CN
- China
- Prior art keywords
- coverage rate
- moisture film
- containment vessel
- film coverage
- steel containment
- 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
- G21—NUCLEAR PHYSICS; NUCLEAR ENGINEERING
- G21C—NUCLEAR REACTORS
- G21C17/00—Monitoring; Testing ; Maintaining
- G21C17/02—Devices or arrangements for monitoring coolant or moderator
- G21C17/022—Devices or arrangements for monitoring coolant or moderator for monitoring liquid coolants or moderators
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Plasma & Fusion (AREA)
- General Engineering & Computer Science (AREA)
- High Energy & Nuclear Physics (AREA)
- Investigating, Analyzing Materials By Fluorescence Or Luminescence (AREA)
Abstract
The invention discloses a kind of measuring method and measuring system of steel containment vessel moisture film coverage rate.The measuring method is：Annular region is chosen on steel containment vessel；Along the fixed multiple images collecting device of horizontal plane installation of annular region；Water tank at the top of shielding factory building is opened, carries out IMAQ, and view data is transferred to terminal device；The image of collection is identified and analyzed, identifies the region covered by current；The data formed according to identification current calculate the moisture film coverage rate of annular region, and the moisture film coverage rate that steel containment vessel is overall.Measuring system includes zone location module；Image capture device；Equipment setup module；Image synthesis unit；Data computation module.The present invention is calculated the moisture film coverage rate of steel containment vessel by the moisture film coverage rate in measure annular region, improves the accuracy of measurement data, reduce the difficulty of measurement by choosing identical, the highly different some annular regions of diameter on steel containment vessel.
Description
Technical field
The present invention relates to a kind of measuring method and measuring system of steel containment vessel moisture film coverage rate.
Background technology
Third generation presurized water reactor passive nuclear plant uses double layer security shell structure, and outer containment is the shielding of concrete structure
Factory building, inner containment are steel containment vessel structures.Internal layer steel containment vessel can be under accident conditions by the heat inside containment
It is delivered to by containment heat transfer outside steel containment vessel, then air is transferred heat to by natural convection air.In order to
Heat output is improved, cooling water tank is set at the top of outer containment, under accident conditions, the water of water tank arrives steel by Action of Gravity Field spray
Containment processed, and flowed downward along containment, heat is taken away.
Therefore, the measurement of steel containment vessel moisture film coverage rate is the project that must be conducted an experiment before nuclear power plant feeds, together
When be also nuclear power plant operation during every the routine test that will be carried out once in 10 years.
Outer containment clearance space is narrow and small in nuclear power plant, and there be air baffle isolation steel containment vessel outer surface.Meanwhile
Because steel containment vessel height is higher, work high above the ground is generally required during measurement, is unfavorable for the standard of steel containment vessel moisture film coverage rate
Really measurement.
At present, can be by being measured the methods of thermal infrared instrument, manual measurement to containment moisture film coverage rate, but these sides
Be present the shortcomings that certain in method, such as the measurement of thermal infrared instrument, can be influenceed by water temperature and containment contact surface difference variation；It is artificial to survey
Amount is then more by human factor, carries out work high above the ground in narrow space for a long time, the requirement to people is very high, and survey crew is vulnerable to
Interference, it can all influence the accuracy and measurement accuracy of measurement.
The content of the invention
Problem to be solved by this invention is to provide a kind of e measurement technology of steel containment vessel moisture film coverage rate, Neng Gouqing
Coverage condition that is clear, accurately measuring and calculate containment moisture film in real time.
In order to solve the above problems, the invention provides a kind of measuring method of steel containment vessel moisture film coverage rate, and it is special
Sign is that its step includes：
Step 1)：The annular region identical, highly different no less than 2 diameters is chosen on steel containment vessel；
Step 2)：The horizontal plane for the annular region chosen along step 1), in the outer concrete barrier shield of shielding factory building
Fixed multiple images collecting device is installed on wall；
Step 3)：Water tank at the top of shielding factory building is opened, carries out IMAQ while current flow out, and by view data
It is transferred to terminal device；
Step 4)：The image of collection is identified and analyzed, every group of image opens image by software process quality one, and identifies
The region covered by current；
Step 5)：The data formed according to identification current calculate the moisture film coverage rate of annular region, and steel containment vessel
Overall moisture film coverage rate.
Preferably, the width of the annular region is 0.3-1.5 rice.
Preferably, the outer wall of the annular region sets image recognition to distinguish mark.
It is highly preferred that described image cog region minute mark number is the combination of fluorescence scales, irregular curve or both.
Preferably, the image capture device in each annular region is uniformly distributed, the collection of adjacent image collecting device
Image have subregion coincidence.
Preferably, the image capture device in each annular region is no less than 12, the shooting of image capture device
Angle is 140 °, and the angle of adjacent two image capture devices and steel containment vessel central shaft is 30 °.
Preferably, described image collecting device includes high definition camera and lighting apparatus.
Preferably, the calculation formula of the moisture film coverage rate of the annular region is：
ρA=(l1+l2+…+ln)/l；
Wherein, ρAFor the moisture film coverage rate of annular region；L is composograph length；Ln is n-th of area covered by moisture film
Length of field.
Preferably, the calculation formula of the overall moisture film coverage rate of the steel containment vessel is：
ρ=γA·ρA+γB·ρB+…；
Wherein, ρ is the overall moisture film coverage rate of steel containment vessel；γAFor A annular region coefficients, ρAFor A annular regions
Moisture film coverage rate, γBFor B annular region coefficients, ρBFor the moisture film coverage rate of B annular regions, by that analogy, all annular regions
Coefficient sum is 1, and each annular region coefficient is 0.3~0.7.
Present invention also offers a kind of measuring system of steel containment vessel moisture film coverage rate, it is characterised in that is included in steel
The zone location module of identical no less than 2 diameters, highly different annular regions is chosen on containment processed；For opening screen
Cover water tank at the top of factory building, IMAQ is carried out while current flow out, and view data is transferred to the image of terminal device
Collecting device；For horizontal plane of the image capture device along annular region to be uniformly arranged on into the outer concrete shielding of shielding factory building
Equipment setup module on inner wall；For the image of collection to be identified and analyzed, every group of image passes through software process quality one
Image is opened, and is identified by the image synthesis unit in the region of current covering；Data for being formed according to identification current calculate ring
The moisture film coverage rate in shape region, and the data computation module of the moisture film coverage rate of steel containment vessel entirety；Data computation module
It is connected with image synthesis unit, image synthesis unit is connected with zone location module, equipment setup module respectively, and equipment sets mould
Block connects image capture device.
Preferably, the width for the annular region that the zone location module is chosen is 0.3-1.5 rice.
Preferably, the outer wall for the annular region that the zone location module is chosen is provided with image recognition and distinguishes mark.
Preferably, described image cog region minute mark number is the combination of fluorescence scales, irregular curve or both.
Preferably, the equipment setup module sets the distribution rule of image capture device to be over an annular region：Uniformly
Distribution, and the image of adjacent image collecting device collection has subregion coincidence.
Preferably, described image collecting device is no less than 12 in same annular region, the bat of image capture device
Angle is taken the photograph as 140 °, the angle of adjacent two image capture devices and steel containment vessel central shaft is 30 °.
Preferably, described image collecting device includes high definition camera and lighting apparatus.
The present invention passes through measurement by choosing identical, the highly different some annular regions of diameter on steel containment vessel
The moisture film coverage rate of annular region calculates the moisture film coverage rate of steel containment vessel, improves the accuracy of measurement data, reduces
The difficulty of measurement.
Brief description of the drawings
Fig. 1 is the schematic diagram of annular region on steel containment vessel；
Fig. 2 is the layout drawing of image capture device in annular region；
Fig. 3 is the schematic diagram of fluorescence scales and irregular curve on the outside of annular region；
Fig. 4 is the module connection figure of measuring system.
Embodiment
To become apparent the present invention, hereby with preferred embodiment, and accompanying drawing is coordinated to be described in detail below.
Embodiment 1
A kind of measuring method of steel containment vessel moisture film coverage rate, its step are：
S1：Two and identical, the highly different annular region of diameter are chosen on steel containment vessel 1, in the present embodiment point
Not at 52 meters of absolute altitudes and 23 meters of absolute altitudes select width be 0.5 meter A annular regions and B annular regions as gather image area
Domain, as shown in Figure 1；
S2：Along the horizontal plane of above-mentioned annular region, if being installed on the shielding inwall of factory building outer concrete barrier shield 2 fixed
Dry image capture device 3；
S3：Water tank at the top of shielding factory building is opened, carries out IMAQ while current flow out, and view data is transmitted
To terminal device；
S4：The image of collection is identified and analyzed, every group of image opens image by software process quality one, and identifies by water
Flow the region of covering；
S5：The moisture film coverage rate of the data calculating annular region formed according to identification current, and steel containment vessel 1 are whole
The moisture film coverage rate of body.
In specific implementation process, fluorescence scales and irregular curve film overlay length are identified in annular region outer wall,
To carry out image recognition, synthesis and data analysis and calculating.The adjacent phosphor point distance of setting is 0.1 meter, altogether 1247
Phosphor dot, (as shown in figure 3, black round dot is phosphor dot in Fig. 3, the irregular curve of the upper and lower both sides of phosphor dot is i.e. irregular bent
Line film).
In specific implementation process, institute is installed according to the spacing between the factory building of containment 1 and the wall of barrier shield 2 and camera
The space needed, annular region is arranged in by the way that image collecting device 3 is calculated and is circumferentially evenly arranged no less than 12 images
Harvester 3, IMAQ shooting angle are 140 °, and the angle of adjacent two data acquisition devices and containment axis is 30 °,
Two groups amount to 24 image collecting devices 3, see Fig. 2.The image that adjacent image harvester 3 obtains overlaps.Image is adopted
Acquisition means 3 include high definition camera and lighting apparatus.
In specific implementation process, cable data line is taken to carry out data transmission, to reduce data by influence of noise.A
Annular region and B annular regions include 12 groups of data, by I/O Interface integrations, input computer.
The data of data acquisition module are imported into computer, synchronization adopted by image analysis software (such as HAICON)
12 images of collection are handled, and shear the lap between adjacent image, identify moisture film overlay area and no-coverage,
The moisture film coverage rate of A annular regions and B annular regions is calculated, the moisture film coverage rate of steel containment vessel 1 is then obtained by formula.
By image synthesizing software, every group of picture intersection is handled, and judges current or wetted area, is calculated
Moisture film coverage rate, real-time display simultaneously draw moisture film coverage rate curve map.Pilot project experiment window phase is 72 hours, according to examination
Test the cycle, image acquisition interval is chosen for 1 minute, can gather 4320 groups of historical datas altogether during experiment, and draw
Moisture film coverage rate curve.
In specific implementation process, the calculation formula of the moisture film coverage rate of annular region is：
ρA=(l1+l2+…+ln)/l；
Wherein, ρAFor the moisture film coverage rate of annular region；L is composograph length；Ln is n-th of area covered by moisture film
Length of field (length is the length that image processing software determines, with unified standard).
The calculation formula of the overall moisture film coverage rate of steel containment vessel 1 is：
ρ=γA·ρA+γB·ρB+…；
Wherein, ρ is the overall moisture film coverage rate of steel containment vessel (1)；γAFor A annular region coefficients, ρAFor A annular regions
Moisture film coverage rate, γBFor B annular region coefficients, ρBFor the moisture film coverage rate of B annular regions, by that analogy, all annuluses
Domain coefficient sum is 1, and each annular region coefficient is 0.3~0.7.Certain moment, survey calculation draw ρ during experimentA
=73%, ρB=75%, take γA=0.45, γB=0.55, ρ=0.4573%+0.55 is calculated by above formula
75%=74.1%.Coefficient of region rule of thumb can be adjusted with different measurement objects.
Embodiment 2
A kind of measuring system of steel containment vessel moisture film coverage rate is present embodiments provided, including：
1st, zone location module, for selection to be no less than 2 on steel containment vessel 1 and diameter is identical, highly different
Annular region；
2nd, equipment setup module, for the horizontal plane along above-mentioned annular region, in shielding factory building outer concrete barrier shield 2
Fixed some image capture devices 3 are installed on inwall；
3rd, image capture module, for opening water tank at the top of shielding factory building, IMAQ is carried out while current flow out,
And view data is transferred to terminal device；
4th, image synthesis unit, the image of collection is identified and analyzed, every group of image opens figure by software process quality one
Picture, and identify the region covered by current；
5th, data computation module, the data for being formed according to identification current calculate the moisture film coverage rate of annular region, with
And the moisture film coverage rate that steel containment vessel is overall.
Data computation module is connected with image synthesis unit, and image synthesis unit is set with zone location module, equipment respectively
Put module connection, equipment setup module connection image capture device (3)
The annular region outer wall of the zone location module sets image recognition to distinguish mark, using fluorescence scales and does not advise
Then curve.
The image capture device 3 of the equipment setup module is uniformly distributed, and it, which gathers image, subregion coincidence.
The image capture device 3 of the equipment setup module is no less than 12, and IMAQ shooting angle is 140 °, phase
The angle of adjacent 2 data acquisition devices and containment axis is 30 °.
The image capture device 3 of the equipment setup module includes high definition camera and lighting apparatus.
The present invention can use the computer for wherein including computer usable program code in one or more to use storage
The form for the computer program product that medium is implemented on (including but is not limited to magnetic disk storage, CD-ROM, optical memory etc.).
Claims (8)
1. a kind of measuring method of steel containment vessel moisture film coverage rate, it is characterised in that its step includes：
Step 1）：In steel containment vessel（1）It is upper to choose the annular region identical, highly different no less than 2 diameters；
Step 2）：Along step 1）The horizontal plane of the annular region of selection, in the outer concrete barrier shield of shielding factory building（2）Inwall
The upper fixed multiple images collecting device of installation（3）；
Step 3）：Water tank at the top of shielding factory building is opened, carries out IMAQ while current flow out, and view data is transmitted
To terminal device；
Step 4）：The image of collection is identified and analyzed, every group of image opens image by software process quality one, and identifies by water
Flow the region of covering；
Step 5）：The data formed according to identification current calculate the moisture film coverage rate of annular region, and steel containment vessel（1）It is whole
The moisture film coverage rate of body；
The steel containment vessel（1）The calculation formula of overall moisture film coverage rate is：
ρ = γA·ρA + γB·ρB+ …；
Wherein, ρ is steel containment vessel（1）Overall moisture film coverage rate；γAFor A annular region coefficients, ρAFor the water of A annular regions
Film coverage rate, γBFor B annular region coefficients, ρBFor the moisture film coverage rate of B annular regions, by that analogy, all annular region systems
Number sum is 1, and each annular region coefficient is 0.3 ~ 0.7.
2. the measuring method of steel containment vessel moisture film coverage rate as claimed in claim 1, it is characterised in that the annular region
Width be 0.3-1.5 rice.
3. the measuring method of steel containment vessel moisture film coverage rate as claimed in claim 1, it is characterised in that the annular region
Outer wall set image recognition distinguish mark.
4. the measuring method of steel containment vessel moisture film coverage rate as claimed in claim 3, it is characterised in that described image identifies
Differentiation mark is the combination of fluorescence scales, irregular curve or both.
5. the measuring method of steel containment vessel moisture film coverage rate as claimed in claim 1, it is characterised in that each annular
Image capture device on region（3）It is uniformly distributed, adjacent image collecting device（3）The image of collection has subregion coincidence.
6. the measuring method of the steel containment vessel moisture film coverage rate as described in claim 1 or 5, it is characterised in that each described
Image capture device in annular region（3）No less than 12, image capture device（3）Shooting angle be 140 °, adjacent two
Platform image capture device（3）With steel containment vessel（1）The angle of central shaft is 30 °.
7. the measuring method of steel containment vessel moisture film coverage rate as claimed in claim 1, it is characterised in that described image gathers
Equipment（3）Including high definition camera and lighting apparatus.
8. the measuring method of steel containment vessel moisture film coverage rate as claimed in claim 1, it is characterised in that the annular region
The calculation formula of moisture film coverage rate be：
ρA =（l1 + l2 + … + ln）/l；
Wherein, ρAFor the moisture film coverage rate of annular region；L is composograph length；Ln is that n-th of region by moisture film covering is grown
Degree.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172230.5A CN105869687B (en) | 2016-03-24 | 2016-03-24 | A kind of measuring method and measuring system of steel containment vessel moisture film coverage rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610172230.5A CN105869687B (en) | 2016-03-24 | 2016-03-24 | A kind of measuring method and measuring system of steel containment vessel moisture film coverage rate |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105869687A CN105869687A (en) | 2016-08-17 |
| CN105869687B true CN105869687B (en) | 2018-02-06 |
Family
ID=56625658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610172230.5A Active CN105869687B (en) | 2016-03-24 | 2016-03-24 | A kind of measuring method and measuring system of steel containment vessel moisture film coverage rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105869687B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112017798A (en) * | 2020-09-03 | 2020-12-01 | 三门核电有限公司 | Improved containment outer surface water film coverage rate inspection system and method |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2307064A1 (en) * | 1972-02-18 | 1973-08-23 | Asea Atom Ab | Coolant flow measuring system - for reactor with internal pumping equipment |
| CN204117608U (en) * | 2014-08-19 | 2015-01-21 | 国核华清（北京）核电技术研发中心有限公司 | Nuclear reactor safety shell moisture joins test unit |
| CN105185420A (en) * | 2015-05-26 | 2015-12-23 | 中国科学技术大学 | Automatic detection device and method for cooling water film coverage on nuclear power plant containment surface |
-
2016
- 2016-03-24 CN CN201610172230.5A patent/CN105869687B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE2307064A1 (en) * | 1972-02-18 | 1973-08-23 | Asea Atom Ab | Coolant flow measuring system - for reactor with internal pumping equipment |
| CN204117608U (en) * | 2014-08-19 | 2015-01-21 | 国核华清（北京）核电技术研发中心有限公司 | Nuclear reactor safety shell moisture joins test unit |
| CN105185420A (en) * | 2015-05-26 | 2015-12-23 | 中国科学技术大学 | Automatic detection device and method for cooling water film coverage on nuclear power plant containment surface |
Non-Patent Citations (1)
| Title |
|---|
| 大尺度试验体表面液膜物理特性的综合测量;张子杨 等;《核动力工程》;20140430;第35卷(第增刊1期);第37-39页 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105869687A (en) | 2016-08-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111931565B (en) | Autonomous inspection and hot spot identification method and system based on photovoltaic power station UAV | |
| CN100390565C (en) | Method for measuring forest by unmanned aerial vehicle aerial photography remote sensing | |
| CN107220645B (en) | Water meter identification method based on dynamic image processing | |
| CN102183237B (en) | Device and method for measuring two-waveband cloud height of foundation | |
| CN110889327B (en) | Intelligent detection method for sewage outlet around water area based on thermal infrared image | |
| CN106772682A (en) | A kind of infrared radiation spectrum Simulation Analysis method of moving-target | |
| CN105400915B (en) | A kind of method and system of quantitative assessment top gas flow distribution | |
| CN102749047B (en) | Measuring method for size of roll bearing block | |
| CN100580397C (en) | High temperature furnace inner video image temperature measuring system | |
| US11544857B1 (en) | Method and device for calculating river surface flow velocity based on variational principle | |
| CN104298245A (en) | Method for monitoring growing state of forest trees based on unmanned aerial vehicle | |
| CN110222903A (en) | A kind of Rice Yield Prediction method and system based on unmanned aerial vehicle remote sensing | |
| CN101907225A (en) | Be used for the system and method that temperature data obtains | |
| CN104463868A (en) | Rapid building height obtaining method based on parameter-free high-resolution image | |
| CN107843348A (en) | A kind of heat dump energy-flux density measurement apparatus and measuring method | |
| CN104156629A (en) | Method for inversing sea wind direction through navigation radar images based on relative radiation correction | |
| CN105869687B (en) | A kind of measuring method and measuring system of steel containment vessel moisture film coverage rate | |
| CN106885586A (en) | Satellite radar altimeter absolute calibration method without specially calibrating field | |
| CN106920241A (en) | A kind of steam water-level monitoring method, apparatus and system | |
| CN106595603A (en) | Method for detecting canopy lodging cone caused by unmanned aerial vehicle rotor airflow | |
| Su et al. | Detect and identify earth rock embankment leakage based on UAV visible and infrared images | |
| CN104501733B (en) | Deformation measurement device and method for plane-symmetric deeply-buried model tunnel | |
| Pérez-Álvarez et al. | Mining exploration with UAV, low-cost thermal cameras and GIS tools—Application to the specific case of the complex sulfides hosted in carbonates of Udías (Cantabria, Spain) | |
| CN102680111A (en) | Infrared thermal imager capable of measuring heating area of object and measuring method thereof | |
| CN104111080A (en) | Modulation transfer function (MTF) in-orbit measuring method for gazing satellite area array CCD camera |
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 | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201118 Address after: 200233 Shanghai city Xuhui District Hong Cao Road No. 29 Patentee after: STATE NUCLEAR POWER ENGINEERING Co. Patentee after: CHINA NUCLEAR INDUSTRY 23 CONSTRUCTION Co.,Ltd. Address before: 200233 No. 2, building 888, Tianlin Road, Shanghai, Minhang District Patentee before: STATE NUCLEAR POWER ENGINEERING Co. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20221021 Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Patentee after: CHINA NUCLEAR INDUSTRY 23 CONSTRUCTION Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: STATE NUCLEAR POWER ENGINEERING Co. Patentee before: CHINA NUCLEAR INDUSTRY 23 CONSTRUCTION Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee after: Shanghai Nuclear Engineering Research and Design Institute Co.,Ltd. Patentee after: CHINA NUCLEAR INDUSTRY 23 CONSTRUCTION Co.,Ltd. Address before: No. 29 Hong Cao Road, Xuhui District, Shanghai Patentee before: SHANGHAI NUCLEAR ENGINEERING RESEARCH & DESIGN INSTITUTE Co.,Ltd. Patentee before: CHINA NUCLEAR INDUSTRY 23 CONSTRUCTION Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |