CN214876593U - Ammonia nitrogen analyzer suitable for multi-field sample detection - Google Patents
Ammonia nitrogen analyzer suitable for multi-field sample detection Download PDFInfo
- Publication number
- CN214876593U CN214876593U CN202023133805.3U CN202023133805U CN214876593U CN 214876593 U CN214876593 U CN 214876593U CN 202023133805 U CN202023133805 U CN 202023133805U CN 214876593 U CN214876593 U CN 214876593U
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- China
- Prior art keywords
- ammonia nitrogen
- guide
- protection cabinet
- wall
- analysis appearance
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- XKMRRTOUMJRJIA-UHFFFAOYSA-N ammonia nh3 Chemical compound N.N XKMRRTOUMJRJIA-UHFFFAOYSA-N 0.000 title claims abstract description 81
- 238000001514 detection method Methods 0.000 title claims abstract description 18
- 238000001125 extrusion Methods 0.000 claims abstract description 32
- 230000001681 protective effect Effects 0.000 claims description 11
- 239000011248 coating agent Substances 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000000694 effects Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000011241 protective layer Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
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- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Investigating Or Analyzing Non-Biological Materials By The Use Of Chemical Means (AREA)
Abstract
The utility model discloses an ammonia nitrogen analysis appearance suitable for multi-field sample test belongs to sample test technical field, and it is including the protection cabinet, two first guide ways have been seted up to the lower surface of protection cabinet inner wall, sliding connection has first guide block in the first guide way. This ammonia nitrogen analysis appearance suitable for multi-field sample detection, through setting up first guide way, first guide block, the expansion bracket, the spout, the fixed block, first spring, pinch bar and second spring, pinch bar extrusion fixed block, make the fixed block break away from the joint state with the protection cabinet inner wall, under two elasticity extending structure's elasticity, the motion that is close to each other is done to two first guide blocks, under the cooperation of second guide block and second guide way, the expansion bracket promotes backup pad and ammonia nitrogen analysis appearance body and upwards removes, make ammonia nitrogen analysis appearance body spill protection cabinet, when the staff of being convenient for uses, reduce the staff operation degree of difficulty, improve this ammonia nitrogen analysis appearance's suitability.
Description
Technical Field
The utility model belongs to the technical field of the sample detection, specifically be an ammonia nitrogen analyzer suitable for multi-field sample detection.
Background
Ammonia nitrogen analyzer is a device that detects the water resource, is the important detecting instrument in domestic quality of water on-line monitoring field, plays important effect in water resource monitoring, samples the water resource in different waters, carries out the detection and analysis to the sample water using ammonia nitrogen analyzer, can know the water resource pollution degree in different waters to in time take effective treatment measure, prevent water pollution seriation.
Most of common ammonia nitrogen analysis appearance on the existing market is directly exposed outside, after the use, does not have protective structure, and the condition of damage appears because of the collision easily to cause economic loss, if deposit the protective housing in, deposit and the in-process of taking, the operation is complicated, and the suitability is lower.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the above-mentioned defect of prior art, the utility model provides an ammonia nitrogen analysis appearance suitable for multi-field sample detection has solved common ammonia nitrogen analysis appearance on the existing market and has mostly directly exposed outside, after the use, does not have protective structure, because the collision easily, the condition of damage appears to cause economic loss, if deposit the protective housing in, deposit and the in-process of taking, the operation is complicated, the lower problem of suitability.
(II) technical scheme
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ammonia nitrogen analysis appearance suitable for multi-field sample detection, includes the protection cabinet, two first guide ways have been seted up to the lower surface of protection cabinet inner wall, sliding connection has first guide block in the first guide way, the lower surface of protection cabinet inner wall is connected with the last fixed surface of mounting panel, the right flank of first guide block passes through the left surface fixed connection of elastic expansion structure and mounting panel, and the upper surface of two first guide blocks is all through the lower surface swing joint of round pin axle with the expansion bracket, the upper surface of expansion bracket is through the lower surface swing joint of two round pin axles with two second guide blocks, the inside backup pad that is provided with of protection cabinet.
The utility model discloses a protection cabinet, including backup pad, supporting block, sliding sleeve, extrusion pole, second guide way, the lower surface of backup pad, two equal sliding connection of second guide block are in the second guide way, the left side of backup pad lower surface is provided with the link, the inside spout that has seted up of link, sliding connection has the fixed block in the spout, the right flank fixed connection of right flank through first spring and spout inner wall of fixed block, the left surface of fixed block joint at the protection cabinet inner wall, the left surface of fixed block and the right-hand member overlap joint of extrusion pole, the extrusion pole cup joints the left surface at the protection cabinet through the sliding sleeve, the extrusion pole outer wall has cup jointed the second spring, the both ends of second spring respectively with the left surface and the extrusion pole outer wall fixed connection of protection cabinet.
As a further aspect of the present invention: the upper surface of backup pad and the lower surface overlap joint of ammonia nitrogen analysis appearance body, the left and right sides face of ammonia nitrogen analysis appearance body overlaps joint with the one side that two limiting plates are close to each other respectively, the lower surface of limiting plate and the upper surface fixed connection of third guide block.
As a further aspect of the present invention: third guide block sliding connection is in the third guide way, and two third guide ways are seted up respectively in the left and right sides of backup pad upper surface, and the one side that two limiting plates kept away from each other is close to one end fixed connection each other with two slide bars respectively, the slide bar cup joints in the fixed plate through the sliding sleeve.
As a further aspect of the present invention: the lower surface of fixed plate and the last fixed surface of backup pad are connected, the slide bar outer wall has cup jointed the third spring, the both ends of third spring respectively with the right flank of fixed plate and the left surface fixed connection of limiting plate, the one side that two limiting plates are close to each other all is provided with the inoxidizing coating, the one end that two slide bars were kept away from each other respectively with the one side overlap joint that two extrusion pieces are close to each other.
As a further aspect of the present invention: the left side of the extrusion block is fixedly connected with the right side of the inner wall of the protection cabinet, the right side of the upper surface of the protection cabinet is movably connected with the lower surface of the cover plate through a pin shaft, and the upper surface of the cover plate is provided with a handle.
As a further aspect of the present invention: the front and the back of protection cabinet inner wall have all seted up the fourth guide way, sliding connection has the fourth guide block in the fourth guide way, and the one side that two fourth guide blocks are close to each other respectively with the front and the back fixed connection of backup pad.
(III) advantageous effects
Compared with the prior art, the beneficial effects of the utility model reside in that:
1. the ammonia nitrogen analyzer suitable for multi-field sample detection is characterized in that a first guide groove, a first guide block, a mounting plate, an elastic telescopic structure, a telescopic frame, a second guide block, a second guide groove, a support plate, a sliding groove, a fixed block, a first spring, an extrusion rod and a second spring are arranged, when a worker needs to use the ammonia nitrogen analyzer, the extrusion rod is directly pushed rightwards to push the extrusion rod to extrude the fixed block, so that the fixed block is separated from the clamping state with the inner wall of a protection cabinet, after the limit of the support plate is removed, under the elastic force of the two elastic telescopic structures, the two first guide blocks move close to each other, under the matching of the second guide block and the second guide groove, the telescopic frame pushes the support plate and the ammonia nitrogen analyzer body to move upwards, so that the ammonia nitrogen analyzer body leaks out of the protection cabinet, and when the worker uses the ammonia nitrogen analyzer, the operation difficulty of the worker is reduced, the applicability of the ammonia nitrogen analyzer is improved.
2. The ammonia nitrogen analyzer suitable for multi-field sample detection is provided with the limiting plates, the sliding rods, the fixing plates, the third springs and the extrusion blocks, when a company finishes using the ammonia nitrogen analyzer and needs to store the ammonia nitrogen analyzer body, the ammonia nitrogen analyzer body is pressed downwards, the ammonia nitrogen analyzer body drives the supporting plate to move downwards, under the cooperation of the two extrusion blocks, the two sliding rods push the two limiting plates to move close to each other, after the ammonia nitrogen analyzer body retracts into the protection cabinet, one surfaces, close to each other, of the two limiting plates are respectively tightly attached to the left side surface and the right side surface of the outer wall of the ammonia nitrogen analyzer body, the limiting and fixing of the ammonia nitrogen analyzer body are completed, the ammonia nitrogen analyzer body cannot shake in the protection cabinet, the ammonia nitrogen analyzer body is prevented from being damaged due to collision, and the service life of the ammonia nitrogen analyzer body is ensured, and simultaneously, the practicability of the ammonia nitrogen analyzer is improved through linkage action.
3. This ammonia nitrogen analysis appearance suitable for multi-field sample detection, through setting up the third guide way, the third guide block, inoxidizing coating and second spring, under the cooperation of third guide way and third guide block, when making the limiting plate remove about, it is more stable, improve the security of this ammonia nitrogen analysis appearance, through setting up the inoxidizing coating, the inoxidizing coating plays certain guard action to ammonia nitrogen analysis appearance body, when preventing that the limiting plate from extrudeing ammonia nitrogen analysis appearance body, damage ammonia nitrogen analysis appearance body, through setting up the second spring, press the extrusion ram right when the staff, make fixed block and protective cabinet inner wall break away from behind the joint state, under the elasticity of second spring, extrusion ram automatic recovery original state, be convenient for the staff next time use, reduce the staff operation degree of difficulty.
Drawings
Fig. 1 is a schematic structural view of a front view section of the present invention;
FIG. 2 is a schematic structural view of a front section of the support plate of the present invention;
FIG. 3 is a schematic structural view of a front section of the connecting frame of the present invention;
fig. 4 is an enlarged schematic structural view at a position a of the present invention;
in the figure: 1 protective cabinet, 2 first guide way, 3 first guide blocks, 4 mounting plates, 5 elastic telescopic structures, 6 telescopic frames, 7 second guide blocks, 8 second guide ways, 9 support plates, 10 connecting frames, 11 sliding grooves, 12 fixing blocks, 13 first springs, 14 extrusion rods, 15 second springs, 16 ammonia nitrogen analyzer bodies, 17 third guide ways, 18 third guide blocks, 19 limiting plates, 20 sliding rods, 21 fixing plates, 22 third springs, 23 extrusion blocks, 24 protective layers, 25 cover plates, 26 handles, 27 fourth guide blocks and 28 fourth guide ways.
Detailed Description
The technical solution of the present patent will be described in further detail with reference to the following embodiments.
As shown in fig. 1-4, the utility model provides a technical solution: an ammonia nitrogen analyzer suitable for multi-field sample detection comprises a protection cabinet 1, two first guide grooves 2 are formed in the lower surface of the inner wall of the protection cabinet 1, first guide blocks 3 are connected in the first guide grooves 2 in a sliding mode, the lower surface of the inner wall of the protection cabinet 1 is fixedly connected with the upper surface of a mounting plate 4, the right side surface of each first guide block 3 is fixedly connected with the left side surface of the mounting plate 4 through an elastic telescopic structure 5, the upper surfaces of the two first guide blocks 3 are movably connected with the lower surface of a telescopic frame 6 through pin shafts, through the arrangement of the first guide grooves 2, the first guide blocks 3, the mounting plate 4, the elastic telescopic structures 5 and the telescopic frame 6, under the elastic force of the two elastic telescopic structures 5, the two first guide blocks 3 are always subjected to mutually-close acting force, and therefore the two first guide blocks 3 can push a support plate 9 and an ammonia nitrogen analyzer body 16 to move upwards through the telescopic frame 6, be convenient for the staff to take out ammonia nitrogen analysis appearance body 16, guarantee this ammonia nitrogen analysis appearance's suitability, the upper surface of expansion bracket 6 is through two round pin axles and two second guide block 7's lower surface swing joint, the inside backup pad 9 that is provided with of protection cabinet 1.
The lower surface of the supporting plate 9 is provided with second guide grooves 8, two second guide blocks 7 are connected in the second guide grooves 8 in a sliding manner, the left side of the lower surface of the supporting plate 9 is provided with a connecting frame 10, a sliding groove 11 is formed in the connecting frame 10, a fixed block 12 is connected in the sliding groove 11 in a sliding manner, the right side surface of the fixed block 12 is fixedly connected with the right side surface of the inner wall of the sliding groove 11 through a first spring 13, the fixed block 12 is connected with the left side surface of the inner wall of the protective cabinet 1 in a clamping manner, the left side surface of the fixed block 12 is in lap joint with the right end of an extrusion rod 14, through the arrangement of the connecting frame 10, the sliding groove 11, the fixed block 12 and the first spring 13, after the supporting plate 9 moves downwards to a proper position, under the elasticity of the first spring 13, the fixed block 12 moves leftwards, so that the fixed block 12 is connected to the inner wall of the protective cabinet 1 in a clamping manner, the supporting plate 9 is fixed, and the ammonia nitrogen instrument body 16 is received in the protective cabinet 1 for analysis, thereby provide certain guard action to ammonia nitrogen analysis appearance body 16, guarantee ammonia nitrogen analysis appearance body 16's life, the extrusion stem 14 cup joints at the left surface of protection cabinet 1 through the sliding sleeve, and the second spring 15 has been cup jointed to the 14 outer walls of extrusion stem, and the both ends of second spring 15 respectively with the left surface and the 14 outer walls fixed connection of extrusion stem of protection cabinet 1.
Specifically, as shown in fig. 1, 3 and 4, the upper surface of the supporting plate 9 is overlapped with the lower surface of the ammonia nitrogen analyzer body 16, the left and right side surfaces of the ammonia nitrogen analyzer body 16 are respectively overlapped with the surfaces of the two limit plates 19 close to each other, the lower surface of the limit plate 19 is fixedly connected with the upper surface of the third guide block 18, by arranging the limit plates 19, after the surfaces of the two limit plates 19 close to each other are respectively tightly attached to the left and right side surfaces of the ammonia nitrogen analyzer body 16, the ammonia nitrogen analyzer body 16 is limited and fixed, so that the ammonia nitrogen analyzer body 16 cannot rock inside the protection cabinet 1, the ammonia nitrogen analyzer body 16 is prevented from being damaged due to collision, the service life of the ammonia nitrogen analyzer body 16 is ensured, the third guide block 18 is slidably connected in the third guide groove 17, the two third guide grooves 17 are respectively arranged on the left and right sides of the upper surface of the supporting plate 9, through setting up third guide way 17 and third guide block 18, under the cooperation of third guide way 17 and third guide block 18 for when limiting plate 19 removes about, more stable improves this ammonia nitrogen analysis appearance's security, and the one side of keeping away from each other of two limiting plates 19 is respectively with the one end fixed connection that two slide bars 20 are close to each other, and slide bar 20 cup joints in fixed plate 21 through the sliding sleeve.
Specifically, as shown in fig. 1 and 4, the lower surface of fixed plate 21 and the last fixed surface of backup pad 9 are connected, slide bar 20 outer wall has cup jointed third spring 22, the both ends of third spring 22 respectively with the right flank of fixed plate 21 and the left flank fixed connection of limiting plate 19, the one side that two limiting plates 19 are close to each other all is provided with the inoxidizing coating 24, through setting up the inoxidizing coating 24, the inoxidizing coating 24 plays certain guard action to ammonia nitrogen analysis appearance body 16, when preventing limiting plate 19 from extruding ammonia nitrogen analysis appearance body 16, damage ammonia nitrogen analysis appearance body 16, the one end that two slide bars 20 kept away from each other overlaps with the one side that two extrusion pieces 23 are close to each other respectively.
Specifically, as shown in fig. 1, 2 and 4, the left side of the extrusion block 23 is fixedly connected with the right side of the inner wall of the protection cabinet 1, the right side of the upper surface of the protection cabinet 1 is movably connected with the lower surface of the cover plate 25 through a pin shaft, the upper surface of the cover plate 25 is provided with a handle 26, by arranging the cover plate 25, when a worker deposits the ammonia nitrogen analyzer body 16, the cover plate 25 is closed to prevent external foreign matters from entering the protection cabinet 1 and provide a protection effect for the ammonia nitrogen analyzer body 16, the front and the back of the inner wall of the protection cabinet 1 are both provided with a fourth guide groove 28, the fourth guide groove 28 is slidably connected with a fourth guide block 27, the surfaces of the two fourth guide blocks 27 which are close to each other are fixedly connected with the front and the back of the support plate 9 respectively, by arranging the fourth guide block 27 and the fourth guide groove 28, when the support plate 9 drives the ammonia nitrogen analyzer body 16 to move up and down, more stable, improve this ammonia nitrogen analyzer's security.
The utility model discloses a theory of operation does:
s1, when the worker needs to use the ammonia nitrogen analyzer, the extrusion rod 14 is directly pushed rightwards, the extrusion rod 14 extrudes the fixed block 12, the fixed block 12 is separated from the inner wall of the protection cabinet 1 in a clamping state, after the limit of the supporting plate 9 is removed, under the elastic force of the two elastic telescopic structures 5, the two first guide blocks 3 move close to each other, under the matching of the second guide block 7 and the second guide groove 8, the telescopic frame 6 pushes the supporting plate 9 and the ammonia nitrogen analyzer body 16 to move upwards, and the ammonia nitrogen analyzer body 16 leaks out of the protection cabinet 1;
s2, when the worker finishes using the ammonia nitrogen analyzer body 16 and needs to store the ammonia nitrogen analyzer body 16, the ammonia nitrogen analyzer body 16 is pressed downwards, the supporting plate 9 is pressed downwards by the ammonia nitrogen analyzer body 16, the two first guide blocks 3 are pressed by the supporting plate 9 through the telescopic frame 6 under the matching of the second guide block 7 and the second guide groove 8, so that the two elastic telescopic structures 5 are pulled by the two first guide blocks 3 to move away from each other, after the supporting plate 9 moves downwards to a proper position, the fixing block 12 moves rightwards under the elastic force of the first spring 13 and is clamped to the left side of the inner wall of the protection cabinet 1, and the fixing of the supporting plate 9 is completed;
s3, when ammonia nitrogen analyzer body 16 drives backup pad 9 downstream, under the cooperation of two extrusion pieces 23 for two slide bars 20 promote two limiting plates 19 and do the motion that is close to each other, and after ammonia nitrogen analyzer body 16 retracted inside protection cabinet 1, the one side that two limiting plates 19 are close to each other closely laminated with the left and right sides face of ammonia nitrogen analyzer body 16 outer wall respectively, the completion is fixed ammonia nitrogen analyzer body 16' S spacing.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.
Claims (6)
1. The utility model provides an ammonia nitrogen analysis appearance suitable for multi-field sample detection, includes protection cabinet (1), its characterized in that: the lower surface of the inner wall of the protection cabinet (1) is provided with two first guide grooves (2), the first guide grooves (2) are connected with first guide blocks (3) in a sliding manner, the lower surface of the inner wall of the protection cabinet (1) is fixedly connected with the upper surface of a mounting plate (4), the right side surfaces of the first guide blocks (3) are fixedly connected with the left side surfaces of the mounting plate (4) through elastic telescopic structures (5), the upper surfaces of the two first guide blocks (3) are movably connected with the lower surfaces of telescopic frames (6) through pin shafts, the upper surfaces of the telescopic frames (6) are movably connected with the lower surfaces of two second guide blocks (7) through two pin shafts, and a support plate (9) is arranged inside the protection cabinet (1);
the lower surface of the supporting plate (9) is provided with a second guide groove (8), the two second guide blocks (7) are both connected in the second guide groove (8) in a sliding way, a connecting frame (10) is arranged on the left side of the lower surface of the supporting plate (9), a sliding groove (11) is arranged inside the connecting frame (10), a fixed block (12) is connected in the sliding chute (11) in a sliding way, the right side surface of the fixed block (12) is fixedly connected with the right side surface of the inner wall of the sliding chute (11) through a first spring (13), the fixed block (12) is clamped on the left side surface of the inner wall of the protective cabinet (1), the left side surface of the fixed block (12) is in lap joint with the right end of the extrusion rod (14), the extrusion rod (14) is sleeved on the left side surface of the protective cabinet (1) through a sliding sleeve, the outer wall of the extrusion rod (14) is sleeved with a second spring (15), and two ends of the second spring (15) are fixedly connected with the left side face of the protection cabinet (1) and the outer wall of the extrusion rod (14) respectively.
2. The ammonia nitrogen analyzer suitable for multi-field sample detection according to claim 1, wherein: the upper surface of backup pad (9) and the lower surface overlap joint of ammonia nitrogen analysis appearance body (16), the one side overlap joint that the left and right sides face of ammonia nitrogen analysis appearance body (16) is close to each other with two limiting plates (19) respectively, the lower surface of limiting plate (19) and the upper surface fixed connection of third guide block (18).
3. The ammonia nitrogen analyzer suitable for multi-field sample detection according to claim 2, characterized in that: third guide block (18) sliding connection sets up respectively in third guide way (17) in two third guide ways (17) the left and right sides of backup pad (9) upper surface, and the one side of keeping away from each other of two limiting plates (19) is respectively with the one end fixed connection that two slide bars (20) are close to each other, slide bar (20) cup joint in fixed plate (21) through the sliding sleeve.
4. The ammonia nitrogen analyzer suitable for multi-field sample detection according to claim 3, wherein: the lower surface of fixed plate (21) and the last fixed surface of backup pad (9) are connected, slide bar (20) outer wall has cup jointed third spring (22), the both ends of third spring (22) respectively with the right flank of fixed plate (21) and the left surface fixed connection of limiting plate (19), the one side that two limiting plate (19) are close to each other all is provided with inoxidizing coating (24), the one end that two slide bars (20) kept away from each other respectively with the one side overlap joint that two extrusion pieces (23) are close to each other.
5. The ammonia nitrogen analyzer suitable for multi-field sample detection according to claim 4, wherein: the left side of extrusion piece (23) and the right flank fixed connection of protection cabinet (1) inner wall, the right side of protection cabinet (1) upper surface is through the lower surface swing joint of round pin axle with apron (25), the upper surface of apron (25) is provided with handle (26).
6. The ammonia nitrogen analyzer suitable for multi-field sample detection according to claim 1, wherein: fourth guide way (28) have all been seted up at the front and the back of protection cabinet (1) inner wall, sliding connection has fourth guide block (27) in fourth guide way (28), and the one side that two fourth guide blocks (27) are close to each other respectively with the front and the back fixed connection of backup pad (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023133805.3U CN214876593U (en) | 2020-12-23 | 2020-12-23 | Ammonia nitrogen analyzer suitable for multi-field sample detection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023133805.3U CN214876593U (en) | 2020-12-23 | 2020-12-23 | Ammonia nitrogen analyzer suitable for multi-field sample detection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214876593U true CN214876593U (en) | 2021-11-26 |
Family
ID=78925161
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023133805.3U Expired - Fee Related CN214876593U (en) | 2020-12-23 | 2020-12-23 | Ammonia nitrogen analyzer suitable for multi-field sample detection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214876593U (en) |
-
2020
- 2020-12-23 CN CN202023133805.3U patent/CN214876593U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211126 |