CN219784842U - Nitrite nitrogen content detection device for water and wastewater - Google Patents
Nitrite nitrogen content detection device for water and wastewater Download PDFInfo
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- CN219784842U CN219784842U CN202321118425.3U CN202321118425U CN219784842U CN 219784842 U CN219784842 U CN 219784842U CN 202321118425 U CN202321118425 U CN 202321118425U CN 219784842 U CN219784842 U CN 219784842U
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- nitrogen content
- wastewater
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000002351 wastewater Substances 0.000 title claims abstract description 40
- 238000001514 detection method Methods 0.000 title claims abstract description 39
- JVMRPSJZNHXORP-UHFFFAOYSA-N ON=O.ON=O.ON=O.N Chemical compound ON=O.ON=O.ON=O.N JVMRPSJZNHXORP-UHFFFAOYSA-N 0.000 title claims abstract description 25
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 36
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 8
- 238000000746 purification Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 63
- 238000012360 testing method Methods 0.000 claims description 18
- 238000004065 wastewater treatment Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 3
- 239000007789 gas Substances 0.000 abstract description 20
- 238000002474 experimental method Methods 0.000 abstract description 11
- 230000000694 effects Effects 0.000 description 6
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910002651 NO3 Inorganic materials 0.000 description 2
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NULAJYZBOLVQPQ-UHFFFAOYSA-N N-(1-naphthyl)ethylenediamine Chemical compound C1=CC=C2C(NCCN)=CC=CC2=C1 NULAJYZBOLVQPQ-UHFFFAOYSA-N 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000013067 intermediate product Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 238000005070 sampling Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- FDDDEECHVMSUSB-UHFFFAOYSA-N sulfanilamide Chemical compound NC1=CC=C(S(N)(=O)=O)C=C1 FDDDEECHVMSUSB-UHFFFAOYSA-N 0.000 description 1
- 239000002341 toxic gas Substances 0.000 description 1
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- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model relates to the technical field of detection devices, and discloses a nitrite nitrogen content detection device for water and wastewater, which comprises a detection device body, wherein a water inlet is arranged at the top of the detection device body, a purification assembly is arranged at the top of the detection device body, a fixing plate is fixedly connected to the top of the detection device body, a screw is connected to one side of the fixing plate through threads, a purification box is connected to one end of the screw in a rotating manner, and a clamping groove is formed in one side of the purification box. This a nitrite nitrogen content detection device for water and waste water is provided with fixed plate, screw rod, purifying box, draw-in groove, filter screen, mounting groove and active carbon, can drive the purifying box through manual rotation screw rod and have the removal forward or backward, remove water inlet department and cover it then, filter and adsorb the harmful gas who discharges from the water inlet through filter screen and active carbon, can reduce the emission of harmful gas to avoid carelessly being inhaled by the experimenter, improved the security of experiment.
Description
Technical Field
The utility model relates to the technical field of detection devices, in particular to a device for detecting nitrite nitrogen content in water and wastewater.
Background
Nitrite nitrogen refers to the further oxidation of nitrogen-containing organic matters in a water body, and when nitrite exists in the water, the nitrite is an intermediate product in the process of changing into nitrate, which indicates that the decomposition process of the organic matters is continued, and if the nitrite content is too high, the inorganic process of the organic matters in the water is quite strong, which indicates that the pollution risk still exists.
Various factors causing the increase of the nitrite nitrogen content in water, such as nitrate reduction and promotion of oxygen and nitrogen in the air to synthesize nitrogen oxides under the action of lightning in summer, the nitrogen oxides become nitrite after meeting rain, and the like, so that at present, when people detect the nitrite nitrogen content in water and wastewater, a nitrite nitrogen content detection device for water and wastewater is often used.
The utility model provides a prior art publication No. CN214066940U patent document provides a be used for water and waste water nitrite nitrogen content detection device, the centre gripping side of the device splint is provided with anti-skidding cushion, be convenient for protect and fix the test tube, mount one and mount two lower surface both sides fixedly connected with stopper, and detection device body inner wall relevant position is provided with the spacing draw-in groove with stopper matched with, make things convenient for mount one and mount two's installation and dismantlement, the improvement packaging efficiency, test tube one and test tube two are provided with two respectively, and every group all is provided with two, be convenient for carry out contrast test, the accuracy of monitoring data is improved, test tube one and test tube two's opening part all are provided with the rubber sealing plug, be convenient for carry out sealing treatment to the test tube, guarantee that the internal reaction goes on smoothly, the outside surface of sampling tube is provided with the scale, be convenient for carry out quantitative volume to the liquid that awaits of awaiting measuring and measure, guarantee the objective accuracy of experiment, the inside p-aminobenzenesulfonamide solution of having placed of test tube two, test tube one's inside is provided with N- (1-naphthyl) -ethylenediamine solution, be convenient for carrying out nitrite nitrogen content detection to the water sample.
The above-mentioned prior art, although the device uses two test tubes to detect nitrite nitrogen content respectively, be convenient for carry out contrast test, improve the accuracy of monitoring data, but, in the in-process of experiment, harmful substance in the waste water can produce toxic gas with the chemical substance, directly discharge and can pollute the environment in the laboratory in the air, the staff of experiment is inhaled harmful gas carelessly, can endanger staff's healthy, the security of experiment has been reduced, therefore, we need a nitrite nitrogen content detection device for water and waste water.
Disclosure of Invention
The utility model aims to provide a nitrite nitrogen content detection device for water and wastewater, which is used for solving the problems in the background art.
In order to solve the technical problems, the utility model provides the following technical scheme: the nitrite nitrogen content detection device for water and wastewater comprises a detection device body, wherein a water inlet is arranged at the top of the detection device body, a purification component is arranged at the top of the detection device body, and a wastewater treatment component is arranged on the front surface of the detection device body;
the purifying assembly comprises a fixing plate, one side of the fixing plate is in threaded connection with a screw rod, one end of the screw rod is rotationally connected with a purifying box, a clamping groove is formed in one side of the purifying box, the inner wall of the clamping groove is connected with a filter screen in a clamping manner, a mounting groove is formed in one side of the purifying box, and active carbon is connected to the inner wall of the mounting groove in a clamping manner;
the waste water treatment assembly comprises a sealing frame, a sliding groove is formed in the inner wall of the sealing frame, a sliding block is connected to the inner wall of the sliding groove in a sliding mode, a waste water box is fixedly connected to one side of the sliding block, a sealing plate is connected to the outer surface of the sealing frame in a sliding mode, a fixing groove is formed in the top of the sealing frame, and fixing bolts are connected to the inner wall of the fixing groove in a threaded mode.
Preferably, the inside fixedly connected with mount of detection device body, and the internally mounted of mount has the test tube to the bottom of test tube is provided with the valve.
Preferably, the fixed plate forms the movable structure through screw rod and purifying box, and one side that one end of screw rod runs through the fixed plate is connected with the purifying box to the external screw thread of screw rod and the internal screw thread phase-match of fixed plate, the purifying box passes through draw-in groove and filter screen constitution block structure, and the shape size of draw-in groove and the shape size phase-match of filter screen, and one side of filter screen stretches into the inner wall of draw-in groove and connects.
Preferably, the purifying box forms a clamping structure with the activated carbon through the mounting groove, the shape and the size of the mounting groove are matched with those of the activated carbon, and one side of the activated carbon extends into the inner wall of the mounting groove to be connected.
Preferably, the sealing frame and the sliding block form a sliding structure through a sliding groove, and the shape and the size of the sliding groove are matched with those of the sliding block.
Preferably, the detection device body and the sealing plate form a sliding structure through a sealing frame, and the outer surface of the sealing frame is matched with the inner wall of the sealing plate.
Preferably, the sealing frame and the sealing plate form a fixed structure through a fixing bolt, one end of the fixing bolt penetrates through the sealing plate to be connected with the sealing frame, and the shape and the size of the fixing bolt are matched with those of the fixing groove.
Compared with the prior art, the utility model has the beneficial effects that: the device for detecting the nitrite nitrogen content in water and wastewater,
the first, the utility model is provided with the fixed plate, the screw rod, the purifying box, the clamping groove, the filter screen, the mounting groove and the activated carbon, the purifying box can be driven to move forwards or backwards by manually rotating the screw rod, then the purifying box can be moved to the water inlet to cover the water inlet, and the discharge of harmful gas can be reduced by filtering and adsorbing the harmful gas discharged from the water inlet through the filter screen and the activated carbon, so that the harmful gas is prevented from being inhaled by experimenters carelessly, and the safety of experiments is improved.
The second, the utility model has seal frame, chute, slide block, waste water box, seal plate, fixed slot and fixing bolt, can withdraw the waste water and do further treatment through the slide block on the waste water box slides in the chute, and seal with the front that the seal plate is blocked into the seal frame, in order to avoid the gas leakage, and fix seal frame and seal plate with the fixing bolt, in order to avoid the seal plate to slide, facilitate the treatment to the waste water.
Drawings
FIG. 1 is a schematic diagram of a front view structure of the present utility model;
FIG. 2 is a schematic diagram of the structure of the present utility model in a front cross-section;
FIG. 3 is a schematic view of the structure of the purifying box and the water inlet;
FIG. 4 is a schematic diagram of the structure of the waste water box and the sealing plate of the utility model.
In the figure: 1. a detection device body; 2. a water inlet; 3. a purification assembly; 301. a fixing plate; 302. a screw; 303. a purifying box; 304. a clamping groove; 305. a filter screen; 306. a mounting groove; 307. activated carbon; 4. a fixing frame; 5. a test tube; 6. a valve; 7. a wastewater treatment assembly; 701. a sealing frame; 702. a chute; 703. a slide block; 704. a waste water box; 705. a sealing plate; 706. a fixing groove; 707. and (5) fixing bolts.
Detailed Description
The following detailed description of the utility model will be given with reference to the accompanying drawings.
Referring to fig. 1, 2, 3 and 4, the present utility model provides the following technical solutions: the utility model provides a nitrite nitrogen content detection device for water and waste water, including detection device body 1, water inlet 2 is installed at the top of detection device body 1, and the top of detection device body 1 is provided with purification module 3, purification module 3 includes fixed plate 301, screw rod 302, purifying box 303, draw-in groove 304, filter screen 305, mounting groove 306 and active carbon 307, the top fixedly connected with fixed plate 301 of detection device body 1, and one side threaded connection of fixed plate 301 has screw rod 302, and the one end rotation of screw rod 302 is connected with purifying box 303, draw-in groove 304 has been seted up to one side of purifying box 303, and the inner wall block of draw-in groove 304 is connected with filter screen 305, mounting groove 306 has been seted up to one side of purifying box 303, and the inner wall block of mounting groove 306 is connected with active carbon 307;
the waste water treatment assembly 7 comprises a sealing frame 701, a sliding groove 702, a sliding block 703, a waste water box 704, a sealing plate 705, a fixing groove 706 and a fixing bolt 707, wherein the sealing frame 701 is fixedly connected to the front face of the detection device body 1, the sliding groove 702 is formed in the inner wall of the sealing frame 701, the sliding block 703 is slidably connected to the inner wall of the sliding groove 702, the waste water box 704 is fixedly connected to one side of the sliding block 703, the sealing plate 705 is slidably connected to the outer surface of the sealing frame 701, the fixing groove 706 is formed in the top of the sealing frame 701, and the fixing bolt 707 is connected to the inner wall of the fixing groove 706 through threads.
Through above-mentioned technical scheme, can drive through manual rotation screw rod 302 and purify case 303 and move forward or backward, then remove water inlet 2 department and cover it, through carrying out filtration and absorption with filter screen 305 and active carbon 307 to the harmful gas who discharges from water inlet 2, can reduce the emission of harmful gas to the careless is inhaled by the experimenter, has improved the security of experiment.
Specifically, the inside fixedly connected with mount 4 of detection device body 1, and the internally mounted of mount 4 has test tube 5 to the bottom of test tube 5 is provided with valve 6, and fixed plate 301 passes through screw rod 302 and purifying box 303 and constitutes the moving structure, and one side that one end of screw rod 302 runs through fixed plate 301 is connected with purifying box 303, and the external screw thread of screw rod 302 matches with the internal screw thread of fixed plate 301.
Through above-mentioned technical scheme, through the screw rod 302 on the hand rotation fixed plate 301, can drive the purifying box 303 of screw rod 302 one end and advance or retreat, the purifying box 303 of being convenient for removes the top of water inlet 2 and shelters from, also can retreat when the experiment and make water inlet 2 open.
Specifically, the purifying box 303 and the filter screen 305 form a clamping structure through the clamping groove 304, the shape and the size of the clamping groove 304 are matched with those of the filter screen 305, and one side of the filter screen 305 stretches into the inner wall of the clamping groove 304 to be connected.
Through above-mentioned technical scheme, through stretching into draw-in groove 304 with filter screen 305 in with purifying box 303 install, the form that adopts the joint has made things convenient for the change and the maintenance to filter screen 305 in the future, and filter screen 305 can filter water inlet 2 exhaust harmful gas, has reached preliminary filtration's effect.
Specifically, the purifying box 303 and the activated carbon 307 form a clamping structure through the mounting groove 306, the shape and the size of the mounting groove 306 are matched with those of the activated carbon 307, and one side of the activated carbon 307 extends into the inner wall of the mounting groove 306 to be connected.
Through the above technical scheme, the activated carbon 307 is conveniently installed in the purifying box 303 through the installing groove 306, the activated carbon 307 can adsorb residual harmful gas, harmful components in the gas can be greatly reduced, the adsorption effect is achieved, and the emission of the harmful gas can be reduced, so that the harmful gas is prevented from being inhaled by experimental personnel carelessly, and the safety of the experiment is improved.
Specifically, the sealing frame 701 and the sliding block 703 form a sliding structure through the sliding groove 702, and the shape and the size of the sliding groove 702 are matched with those of the sliding block 703.
Through the technical scheme, the waste water box 704 can conveniently slide in the sliding groove 702 through the sliding block 703, and when the waste water box 704 reaches a certain volume, the waste water box 704 can be conveniently taken out to treat waste water.
Specifically, the detection device body 1 forms a sliding structure with the sealing plate 705 through the sealing frame 701, and the outer surface of the sealing frame 701 is matched with the inner wall of the sealing plate 705.
Through the technical scheme, the sealing plate 705 is conveniently slid into the front surface of the sealing frame 701 to seal the sealing frame, and the shape of the sealing plate 705 is matched with that of the sealing frame 701.
Specifically, the sealing frame 701 and the sealing plate 705 form a fixed structure by the fixing bolt 707, one end of the fixing bolt 707 penetrates the sealing plate 705 to be connected with the sealing frame 701, and the shape and the size of the fixing bolt 707 are matched with those of the fixing groove 706.
Through the technical scheme, the fixing bolts 707 penetrate through the top of the sealing plate 705 and extend into the fixing grooves 706 to be fixed with the sealing frame 701, so that the fixing effect between the sealing frame 701 and the sealing plate 705 is achieved, and the sealing plate 705 is prevented from sliding out.
When the nitrite nitrogen content detecting device for water and wastewater is used, firstly, when harmful gases exhausted from the detecting device body 1 are treated, the screw rod 302 on the fixing plate 301 is rotated by hand, the purifying box 303 at one end of the screw rod 302 can be driven to advance or retreat, the purifying box 303 is convenient to move to the top of the water inlet 2 for shielding, the water inlet 2 can be opened by retreating in the experiment, the filter screen 305 can filter the harmful gases exhausted from the water inlet 2, the effect of preliminary filtering is achieved, the active carbon 307 can adsorb the residual harmful gases, the harmful components in the gases can be greatly reduced, the adsorption effect is achieved, the emission of harmful gas can be reduced, so that the harmful gas is prevented from being inhaled by an experimenter carelessly, the safety of experiments is improved, when the wastewater is treated, the fixing bolts 707 are firstly detached from the fixing grooves 706, then the sealing plate 705 is slid out of the front face of the sealing frame 701, the wastewater box 704 is pulled out of the sealing frame 701 by hands, the wastewater box 704 slides on the inner wall of the sealing frame 701 through the sliding blocks 703, the effect of collecting and treating the wastewater is achieved, all the work is completed, and the content which is not described in detail in the specification belongs to the prior art known to the person skilled in the art.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit thereof, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a be used for water and waste water nitrite nitrogen content detection device, includes detection device body (1), its characterized in that: the top of the detection device body (1) is provided with a water inlet (2), the top of the detection device body (1) is provided with a purification assembly (3), and the front of the detection device body (1) is provided with a wastewater treatment assembly (7);
the purifying component (3) comprises a fixing plate (301), one side of the fixing plate (301) is in threaded connection with a screw rod (302), one end of the screw rod (302) is rotationally connected with a purifying box (303), a clamping groove (304) is formed in one side of the purifying box (303), a filter screen (305) is connected with the inner wall of the clamping groove (304) in a clamping mode, an installation groove (306) is formed in one side of the purifying box (303), and active carbon (307) is connected with the inner wall of the installation groove (306) in a clamping mode;
the waste water treatment assembly (7) comprises a sealing frame (701), a sliding groove (702) is formed in the inner wall of the sealing frame (701), a sliding block (703) is connected to the inner wall of the sliding groove (702) in a sliding mode, a waste water box (704) is fixedly connected to one side of the sliding block (703), a sealing plate (705) is connected to the outer surface of the sealing frame (701) in a sliding mode, a fixing groove (706) is formed in the top of the sealing frame (701), and fixing bolts (707) are connected to the inner wall of the fixing groove (706) in a threaded mode.
2. A nitrite nitrogen content detecting apparatus for water and wastewater as recited in claim 1, wherein: the inside fixedly connected with mount (4) of detection device body (1), and the internally mounted of mount (4) has test tube (5) to the bottom of test tube (5) is provided with valve (6).
3. A nitrite nitrogen content detecting apparatus for water and wastewater as recited in claim 1, wherein: fixed plate (301) constitutes the removal structure through screw rod (302) and purifying box (303), and one side that one end of screw rod (302) runs through fixed plate (301) is connected with purifying box (303), and the external screw thread of screw rod (302) matches with the internal screw thread of fixed plate (301), purifying box (303) constitutes the block structure through draw-in groove (304) and filter screen (305), and the shape size of draw-in groove (304) matches with the shape size of filter screen (305), and one side of filter screen (305) stretches into the inner wall of draw-in groove (304) and connects.
4. A nitrite nitrogen content detecting apparatus for water and wastewater as recited in claim 1, wherein: the purifying box (303) and the activated carbon (307) form a clamping structure through the mounting groove (306), the shape and the size of the mounting groove (306) are matched with those of the activated carbon (307), and one side of the activated carbon (307) stretches into the inner wall of the mounting groove (306) to be connected.
5. A nitrite nitrogen content detecting apparatus for water and wastewater as recited in claim 1, wherein: the sealing frame (701) and the sliding block (703) form a sliding structure through the sliding groove (702), and the shape and the size of the sliding groove (702) are matched with those of the sliding block (703).
6. A nitrite nitrogen content detecting apparatus for water and wastewater as recited in claim 1, wherein: the detection device body (1) and the sealing plate (705) form a sliding structure through the sealing frame (701), and the outer surface of the sealing frame (701) is matched with the inner wall of the sealing plate (705).
7. A nitrite nitrogen content detecting apparatus for water and wastewater as recited in claim 1, wherein: the sealing frame (701) and the sealing plate (705) form a fixed structure through the fixing bolt (707), one end of the fixing bolt (707) penetrates through the sealing plate (705) to be connected with the sealing frame (701), and the shape and the size of the fixing bolt (707) are matched with those of the fixing groove (706).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321118425.3U CN219784842U (en) | 2023-05-10 | 2023-05-10 | Nitrite nitrogen content detection device for water and wastewater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321118425.3U CN219784842U (en) | 2023-05-10 | 2023-05-10 | Nitrite nitrogen content detection device for water and wastewater |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219784842U true CN219784842U (en) | 2023-10-03 |
Family
ID=88154537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321118425.3U Active CN219784842U (en) | 2023-05-10 | 2023-05-10 | Nitrite nitrogen content detection device for water and wastewater |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219784842U (en) |
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2023
- 2023-05-10 CN CN202321118425.3U patent/CN219784842U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A device for detecting nitrite nitrogen content in water and wastewater Granted publication date: 20231003 Pledgee: Bank of Hankou Limited by Share Ltd. Financial Services Center Pledgor: WUHAN HUAZHENG ENVIRONMENTAL TESTING TECHNOLOGY Co.,Ltd. Registration number: Y2024980024671 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |