CN209876253U - Stainless steel water separator - Google Patents
Stainless steel water separator Download PDFInfo
- Publication number
- CN209876253U CN209876253U CN201920381627.4U CN201920381627U CN209876253U CN 209876253 U CN209876253 U CN 209876253U CN 201920381627 U CN201920381627 U CN 201920381627U CN 209876253 U CN209876253 U CN 209876253U
- Authority
- CN
- China
- Prior art keywords
- water
- water separator
- loose joint
- stainless steel
- joint nut
- 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.)
- Expired - Fee Related
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 229910001220 stainless steel Inorganic materials 0.000 title claims abstract description 26
- 239000010935 stainless steel Substances 0.000 title claims abstract description 26
- 238000000926 separation method Methods 0.000 claims abstract description 12
- 238000007789 sealing Methods 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 6
- 230000000694 effects Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 12
- 238000011900 installation process Methods 0.000 abstract description 5
- 238000009826 distribution Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical group [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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- Domestic Plumbing Installations (AREA)
Abstract
The utility model relates to the technical field of pipeline water supply equipment, and discloses a stainless steel water separator, which comprises a water separator and a support, wherein the water separator is detachably arranged on the support, the water separator comprises a water separator main pipe and at least two water separation pipes, the two ends of the water separator main pipe are respectively provided with a water inlet and a water outlet, a loose joint nut assembly is movably arranged on the water inlet, one side of the water separator main pipe is fixedly provided with a hook and a separation blade, and the support is provided with a rectangular through hole and a T-shaped through hole which are respectively matched with the hook and the separation blade; the water distributor and the bracket in the device can be quickly installed, and the device has simple structure and lower cost; the installation of the water distributor and the pipeline can be realized only by rotating the loose joint nut assembly in the installation process, and the installation is convenient and fast.
Description
Technical Field
The utility model relates to a pipeline water supply equipment technical field, concretely relates to stainless steel water knockout drum.
Background
The water distributor and collector (manifold) is used in water system and is connected with water supply and collection device for water supply and return of heating pipes. The water separator and the water collector are divided according to the inlet return water. So the water distributor is called a water collector and a water distributor. Generally, the water collecting and distributing device mainly comprises a water separator, a water collector and a fixed support.
The existing water separator is iron, so that a welding part is damaged due to the fact that the existing water separator is easy to rust when in use, and the existing water separator is complex to install and easily damages a water separator pipeline due to the fact that a hoop is mostly used for connecting a main pipeline of the water separator and a support in the installation process; the interfaces (such as a water inlet, a water diversion port and a water outlet) on the water distributor are generally directly connected with a water pipe through threads or welding, the water distributor needs to be installed through rotating when the water pipe is inconvenient to rotate in a threaded connection mode, and in actual use, the water distributor cannot rotate again after one-time rotating connection, so that installation difficulty is caused. In addition, the water distributor is rotated to connect a water pipe, so that the orientation of a water distribution opening on the installed water distributor cannot be determined, the directional requirement cannot be met after the water distributor is connected, and the actual installation work is difficult.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a stainless steel water separator, which can realize quick installation of a water separator and a bracket, and has simple structure and lower cost; the installation of the water distributor and the pipeline can be realized only by rotating the loose joint nut assembly in the installation process, and the installation is convenient and fast.
In order to achieve the above object, the present invention provides the following technical solutions:
the utility model provides a stainless steel water knockout drum, includes water knockout drum and support, water knockout drum detachable sets up on the support, the water knockout drum includes that the water knockout drum is responsible for and two at least distributive pipes, the water knockout drum is responsible for both ends and is water inlet and delivery port respectively, the activity is provided with loose joint nut sub-assembly on the water inlet, fixed couple and the separation blade of being provided with on one side that the water knockout drum was responsible for, be provided with on the support respectively with couple and separation blade assorted rectangle through-hole and T type through-hole.
The utility model discloses in, it is preferred, the mounting surface of three different height before, in, after the support forms, the mounting surface is for connecting respectively the first mounting surface of water knockout drum, connect another the second mounting surface of water knockout drum and the fixed mounting surface of connecting wall body or stationary plane, fixed mounting surface comprises the branch mounting surface of two breakouts, two divide the mounting surface to be located same horizontal plane position, two divide the interval between the mounting surface first mounting surface perhaps the second mounting surface, all be equipped with a plurality of groups mounting hole, each group on first mounting surface and the second mounting surface the mounting hole includes rectangle through-hole and T type through-hole.
The utility model discloses in, it is preferred, it is provided with rotatory fixed plate to rotate on the first mounting plane, rotatory fixed plate with divide the mounting plane to be located same horizontal plane.
The utility model discloses in, it is preferred, the loose joint nut sub-assembly includes first loose joint nut, body, first locating part and second locating part integrated into one piece, second locating part inner wall is provided with the internal thread, the internal thread with the external screw thread phase-match in the water inlet outside, the one end of first loose joint nut is provided with the recess, the recess cover is established on the first locating part, and the other end of first loose joint nut is provided with the internal thread.
The utility model discloses in, it is preferred, first locating part with recess contact department is provided with sealed filtration rubber circle.
The utility model discloses in, it is preferred, the water knockout drum is responsible for and keeps away from the internal diameter of water inlet one side is less than the water knockout drum is responsible for and is close to the internal diameter of water inlet one side.
The utility model discloses in, it is preferred, the stainless steel water knockout drum still is provided with independent water knockout drum subassembly, independent water knockout drum subassembly is including inserting the pipeline section, independent water knockout drum and connecing out the pipeline section, insert pipeline section, independent water knockout drum and connect out pipeline section integrated into one piece, the port that inserts the pipeline section is provided with the retaining ring, it is equipped with the second loose joint nut to insert the cover on the pipeline section, the loose joint nut is close to the one end of retaining ring be provided with retaining ring assorted annular is protruding, the second loose joint nut is kept away from the one end of retaining ring is provided with the internal thread.
Compared with the prior art, the beneficial effects of the utility model are that:
the main pipe of the water separator is detachably fixed on the bracket along the axial direction of the bracket, and the water separator and the bracket can be quickly and stably installed through the mutual matching among the hook, the blocking piece, the rectangular through hole and the T-shaped through hole; the water distributor does not need to move in the installation process, and the installation of the water distributor and the external pipeline can be completed only by rotating the loose joint nut assembly, so that the adjustment and the guarantee of the direction of a water distribution opening in the installation process are facilitated; simultaneously, current water knockout drum all is appointed distributive port, can't carry out the selection of different distributive port numbers according to actual need, the utility model discloses detachable is provided with independent water knockout drum subassembly, can satisfy different operational environment.
Drawings
Fig. 1 is a front view of a stainless steel water separator.
Fig. 2 is a schematic diagram of a disassembled structure of the stainless steel water separator.
Figure 3 is a front view of a diverter of a stainless steel diverter.
Figure 4 is a rear view of a diverter of a stainless steel diverter.
Fig. 5 is a structural schematic diagram of a bracket of the stainless steel water separator.
Figure 6 is a front view of a bracket for a stainless steel trap.
FIG. 7 is a schematic diagram of the loose joint nut assembly of a stainless steel water knockout vessel.
FIG. 8 is a cross-sectional view of a union nut assembly of a stainless steel water trap.
Figure 9 is a schematic of the construction of a self-contained water diverter assembly for a stainless steel water diverter.
Fig. 10 is a sectional view taken at fig. 9A.
In the drawings: 1. a support; 101. a first mounting plane; 102. a second mounting plane; 103. dividing a mounting plane; 104. a rectangular through hole; 105. a T-shaped through hole; 2. a water separator; 201. a water knockout vessel main pipe; 202. a water diversion pipe; 203. a loose joint nut assembly; 2031. a first loose joint nut; 2032. a pipe body; 2033. a first limit piece; 2034. a second limiting member; 2035. a groove; 204. an external threaded section; 205. a gas release valve; 206. a stop valve; 3. hooking; 4. a baffle plate; 5. rotating the fixed plate; 6. sealing the filtering rubber ring; 7. an independent water knockout vessel assembly; 701. connecting a pipe section; 702. an independent water separator; 703. connecting out a pipe section; 704. a second loose joint nut; 705. a retainer ring; 706. an annular protrusion.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When a component is referred to as being "disposed on" another component, it can be directly on the other component or intervening components may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Example 1:
please refer to fig. 1 to 8 simultaneously, the utility model discloses a stainless steel water separator, including water separator 2 and support 1, water separator 2 detachable sets up on support 1, water separator 2 includes water separator person in charge 201 and at least two distributive pipes 202, water separator person in charge 201 is the cylinder, water separator person in charge 201 both ends are water inlet and delivery port respectively, the activity is provided with loose joint nut sub-assembly 203 on the water inlet, the delivery port outside sets up external screw thread section 204, external screw thread section 204 threaded connection has independent water separator subassembly 7 or nut as required, water separator person in charge 201 lateral wall is equipped with a plurality of distributive ports, set up distributive pipe 202 on each the distributive port, distributive pipe 202 is equidistant, be equipped with a stop valve 206 on each distributive pipe 202, water separator person in charge 201 equidistant distribution has one or more shapes, The water knockout drums 202 are the same in size, the axis of each water knockout drum 202 is intersected and perpendicular with the axis of the main pipe 201 of the water knockout drum, each water knockout drum 202 is communicated with the main pipe 201 of the water knockout drum, the other side wall of the main pipe 201 of the water knockout drum is provided with an air outlet, and an air release valve 205 is arranged in the air outlet; the utility model discloses contain two at least support 1 and two water knockout drum 2, every water knockout drum 2 on the projection of distributive pipe 202 in vertical side and all the other water knockout drum 2 the distributive pipe 202 of vertical side do not have overlap portion to make the distributive pipe 202 on every water knockout drum 2 can not influence each other when the connecting tube, the water knockout drum is responsible for fixedly on one side of 201 and is provided with couple 3 and separation blade 4, be provided with on the support 1 respectively with couple 3 and separation blade 4 assorted rectangle through-hole 104 and T type through-hole 105.
In the embodiment, at least two brackets 1 are included, the two brackets 1 are arranged in parallel, the brackets 1 form a front mounting plane, a middle mounting plane and a rear mounting plane with different heights, the mounting planes are respectively a first mounting plane 101 connected with the water separator 2, a second mounting plane 102 connected with another water separator 2 and a fixed mounting plane connected with a wall or a fixed surface, the fixed mounting plane is composed of two disconnected sub mounting planes 103, the two sub mounting planes 103 are located at the same horizontal plane, the first mounting plane 101 or the second mounting plane 102 is spaced between the two sub mounting planes 103, a plurality of groups of mounting holes are arranged on the first mounting plane 101 and the second mounting plane 102, each group of mounting holes comprises a rectangular through hole 104 and a T-shaped through hole 105, and the rectangular through hole 104 and the hook 3 are matched with each other, the main pipe 201 of the water segregator is fixed on the support 1, and the main pipe 201 of the water segregator is prevented from shaking left and right through the mutual matching of the T-shaped through hole 105 and the baffle 4.
In this embodiment, a rotation fixing plate 5 is rotatably installed on the first installation plane 101, the rotation fixing plate 5 and the sub-installation plane 103 are located on the same horizontal plane, and the rotation fixing plate 5 can be adjusted to a position suitable for drilling and installation according to the flatness of an actually installed wall.
In this embodiment, the union nut assembly 203 includes a first union nut 2031, a pipe body 2032, a first limiting member 2033, and a second limiting member 2034, the pipe body 2032, the first limiting member 2033, and the second limiting member 2034 are integrally formed, the pipe body 2032 defines a moving space to facilitate subsequent installation of the first union nut 2031, an inner wall of the second limiting member 2034 is provided with an internal thread matching with the external thread on the outer side of the water inlet, one end of the first union nut 2031 is provided with a groove 2035, the first union nut 2031 is slidably disposed in the groove 2035 to allow the first limiting member 2033 to be clamped in the first union nut 2031, the groove 2035 is sleeved on the first limiting member 3, when manufacturing the union nut assembly 203, the groove 2035 is first disposed in the first union nut 2031, and then the sealing and filtering rubber ring 2036 and the first limiting member 2033 are sequentially disposed in the groove 5, then welding is carried out, the sealing and filtering rubber ring 6 and the first limiting piece 2033 are clamped in the groove 2035, an internal thread is arranged at the other end of the first loose joint nut 2031, and thus the second end of the first loose joint nut 2031 can extend out of the first limiting piece 2033 to be connected with a subsequent corresponding pipeline joint, so that the water distributor main pipe 201 can be conveniently communicated with a subsequent pipeline.
In this embodiment, the first union nut 2031 can be changed to different models, so that the union nut assembly 203 of the first union nut 2031 with different models can be changed to meet the needs of different water pipes, thereby expanding the application range of the water separator 2.
In this embodiment, a sealing and filtering rubber ring 6 is disposed at a contact position of the first limiting member 2033 and the groove 2035, so that on one hand, water quality can be filtered, and on the other hand, the sealing property between the external pipeline and the loose joint nut assembly 203 can be ensured.
In this embodiment, the inner diameter of the main pipe 201 of the water separator far from the water inlet is smaller than the inner diameter of the main pipe 201 of the water separator near the water inlet, the reduction mode may be gradual reduction, such as a truncated cone, or step reduction, and this design can reduce the volume of the water separator 2 and balance the water flow of each pipe.
In this embodiment, a wear-resistant and corrosion-resistant coating is disposed on the outer wall of the diversion pipe 202 to prolong the service life of the diversion pipe 202.
In this embodiment, the stop valve 206 is a ball valve, an electromagnetic valve, an electric stop valve, or an electric stop valve, so as to conveniently and effectively control the flowing state of the liquid in the water distribution pipe 202.
Example 2:
referring to fig. 1 to 10, the present embodiment provides another stainless steel water separator, which is different from embodiment 1 in that:
the stainless steel water separator is further provided with an independent water separator component 7, when a user needs more water separation openings according to needs, the independent water separator component 7 can be connected into the independent water separator component 7 in a threaded mode according to needs to meet the needs of the current environment, the independent water separator component 7 comprises an access pipe section 701, an independent water separator 702 and a connection pipe section 703, the access pipe section 701, the independent water separator 702 and the connection pipe section 703 are integrally formed to ensure that the independent water separator component 7 is more durable and convenient to process, a check ring 705 is arranged at a port of the access pipe section 701, a second loose joint nut 704 is sleeved on the access pipe section 701, an annular protrusion 706 matched with the check ring 705 is arranged at one end, close to the check ring 705, of the loose joint nut 704, the check ring 705 is matched with the annular protrusion 706, and the second loose joint nut 704 cannot leave the access pipe section, and an internal thread is arranged on one side of the second loose joint nut 704 far away from the retainer ring 705, the access pipe section 701 corresponds to the water outlet, then the second loose joint nut 704 is rotated, and the independent water separator component 7 is connected into the water separator 2 through the matching of the second loose joint nut 704 and the external thread section 204, so that the purpose of increasing the water separation opening is realized, and the requirement of an operating environment is met.
The working principle is as follows: firstly, the main pipe 201 of the water segregator is hung on the support 1 through the mutual matching of the rectangular through hole 104 and the hook 3, and the main pipe 201 of the water segregator is prevented from shaking left and right through the mutual matching of the T-shaped through hole 105 and the blocking piece 4, so that the main pipe 201 of the water segregator is finally fixed on the support 1; and connecting the corresponding pipeline with the water separator 2, wherein the water inlet and the water outlet of the external pipeline are respectively connected with each corresponding water separation pipe 202. Note that the inner diameter of the main pipe 201 of the water separator should not be smaller than the inner diameter of the main supply and return pipes, and the maximum cross-sectional flow velocity of the main pipe 201 of the water separator should not be larger than 0.8 m/s; the number of the water distribution pipes 202 on each main pipe 201 of the water distributor is not more than 8; each branch loop water supply and return pipe is provided with a shutoff valve such as a copper ball valve;
according to the needs, when a user needs more water diversion ports, the independent water distributor component 7 can be connected to meet the needs of the current environment, firstly, the connection pipe section 701 corresponds to a water outlet, then the second loose joint nut 704 is rotated, the second loose joint nut 704 is matched with the external threaded section 204, the independent water distributor component 7 is connected into the water distributor 2, the purpose of increasing the water diversion ports is achieved, the needs of the operation environment are met, and meanwhile, in order to increase the sealing performance, a sealing ring is arranged at the contact position of the second loose joint nut 704 and the external threaded section 204 to prevent water leakage.
The above description is for the detailed description of the preferred possible embodiments of the present invention, but the embodiments are not intended to limit the scope of the present invention, and all equivalent changes or modifications accomplished under the technical spirit suggested by the present invention should fall within the scope of the present invention.
Claims (7)
1. The utility model provides a stainless steel water knockout drum, includes water knockout drum (2) and support (1), its characterized in that, water knockout drum (2) detachable sets up on support (1), water knockout drum (2) are responsible for (201) and two at least distributive pipes (202) including the water knockout drum, the water knockout drum is responsible for (201) both ends and is water inlet and delivery port respectively, the activity is provided with loose joint nut sub-assembly (203) on the water inlet, the water knockout drum is responsible for fixedly on one side of (201) and is provided with couple (3) and separation blade (4), be provided with on support (1) respectively with couple (3) and separation blade (4) assorted rectangle through-hole (104) and T type through-hole (105).
2. A stainless steel water separator according to claim 1, wherein the bracket (1) forms three mounting planes with different heights in the front, middle and back, the mounting planes are respectively a first mounting plane (101) connected with the water segregator (2), a second mounting plane (102) connected with the other water segregator (2) and a fixed mounting plane connected with a wall body or a fixed surface, the fixed mounting plane is composed of two disconnected sub mounting planes (103), the two sub mounting planes (103) are positioned at the same horizontal plane, the first mounting plane (101) or the second mounting plane (102) is arranged between the two sub mounting planes (103), the first mounting plane (101) and the second mounting plane (102) are provided with a plurality of groups of mounting holes, and each group of mounting holes comprises a rectangular through hole (104) and a T-shaped through hole (105).
3. A stainless steel water separator according to claim 2, wherein a rotary fixing plate (5) is rotatably arranged on the first mounting plane (101), and the rotary fixing plate (5) and the sub mounting plane (103) are located on the same horizontal plane.
4. The stainless steel water separator according to claim 1, wherein the loose joint nut assembly (203) comprises a first loose joint nut (2031), a pipe body (2032), a first limiting part (2033) and a second limiting part (2034), the pipe body (2032), the first limiting part (2033) and the second limiting part (2034) are integrally formed, an internal thread is arranged on the inner wall of the second limiting part (2034), the internal thread is matched with the external thread on the outer side of the water inlet, a groove (2035) is arranged at one end of the first loose joint nut (2031), the groove (2035) is sleeved on the first limiting part (2033), and an internal thread is arranged at the other end of the first loose joint nut (2031).
5. The stainless steel water separator according to claim 4, wherein a sealing and filtering rubber ring (6) is arranged at the contact part of the first limiting member (2033) and the groove (2035).
6. A stainless steel water separator according to claim 1, wherein the internal diameter of the main pipe (201) on the side away from the water inlet is smaller than the internal diameter of the main pipe (201) on the side close to the water inlet.
7. The stainless steel water separator according to claim 1, further comprising an independent water separator component (7), wherein the independent water separator component (7) comprises an access pipe section (701), an independent water separator (702) and an access pipe section (703), the access pipe section (701), the independent water separator (702) and the access pipe section (703) are integrally formed, a retainer ring (705) is arranged at a port of the access pipe section (701), a second loose joint nut (704) is sleeved on the access pipe section (701), an annular protrusion (706) matched with the retainer ring (705) is arranged at one end, close to the retainer ring (705), of the loose joint nut (704), and an internal thread is arranged at one end, far away from the retainer ring (705), of the second loose joint nut (704).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381627.4U CN209876253U (en) | 2019-03-25 | 2019-03-25 | Stainless steel water separator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920381627.4U CN209876253U (en) | 2019-03-25 | 2019-03-25 | Stainless steel water separator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209876253U true CN209876253U (en) | 2019-12-31 |
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ID=68956498
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920381627.4U Expired - Fee Related CN209876253U (en) | 2019-03-25 | 2019-03-25 | Stainless steel water separator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209876253U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857389A (en) * | 2022-05-06 | 2022-08-05 | 台州芮迪阀门股份有限公司 | High strength water knockout drum support |
-
2019
- 2019-03-25 CN CN201920381627.4U patent/CN209876253U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114857389A (en) * | 2022-05-06 | 2022-08-05 | 台州芮迪阀门股份有限公司 | High strength water knockout drum support |
| CN114857389B (en) * | 2022-05-06 | 2024-05-17 | 台州芮迪阀门股份有限公司 | High strength water knockout drum support |
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|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191231 |
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| CF01 | Termination of patent right due to non-payment of annual fee |