CN111843835A - Conveying type electroplating machine - Google Patents
Conveying type electroplating machine Download PDFInfo
- Publication number
- CN111843835A CN111843835A CN202010745991.1A CN202010745991A CN111843835A CN 111843835 A CN111843835 A CN 111843835A CN 202010745991 A CN202010745991 A CN 202010745991A CN 111843835 A CN111843835 A CN 111843835A
- Authority
- CN
- China
- Prior art keywords
- block
- workstation
- groove
- moving plate
- nozzle
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C1/00—Methods for use of abrasive blasting for producing particular effects; Use of auxiliary equipment in connection with such methods
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C3/00—Abrasive blasting machines or devices; Plants
- B24C3/08—Abrasive blasting machines or devices; Plants essentially adapted for abrasive blasting of travelling stock or travelling workpieces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C5/00—Devices or accessories for generating abrasive blasts
- B24C5/02—Blast guns, e.g. for generating high velocity abrasive fluid jets for cutting materials
- B24C5/04—Nozzles therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24C—ABRASIVE OR RELATED BLASTING WITH PARTICULATE MATERIAL
- B24C9/00—Appurtenances of abrasive blasting machines or devices, e.g. working chambers, arrangements for handling used abrasive material
- B24C9/003—Removing abrasive powder out of the blasting machine
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- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
- C25D5/00—Electroplating characterised by the process; Pretreatment or after-treatment of workpieces
- C25D5/34—Pretreatment of metallic surfaces to be electroplated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Polishing Bodies And Polishing Tools (AREA)
Abstract
The invention discloses a conveying type electroplating machine, which structurally comprises a support, a trough, a conveying pipe, a workbench, a console and an air pump, wherein the trough is arranged inside the support, the workbench is fixed at the top of the support, the console is fixed at the left side of the workbench, the air pump is arranged at the top of the workbench, the trough is connected with the workbench through the conveying pipe, when a metal plate is subjected to sand blasting, the volume of partial abrasive particles is large and is conveyed to a nozzle under the pushing of compressed air, the large-volume abrasive particles are crushed through a clamping block, the large-volume abrasive particles cannot be sprayed out from the nozzle, small holes of the nozzle are blocked, the normal metal sand blasting treatment is influenced, the crushed abrasive particles are in a powder shape and are remained on the surface of a contact head, the powder on the surface of the contact head is removed through teeth inside a side groove, and the accumulation of partial powder between a convex block and a groove of, so that the pressure between the contact head and the abrasive is reduced, and the grinding of the abrasive is influenced.
Description
Technical Field
The invention belongs to the field of electroplating, and particularly relates to a conveying type electroplating machine.
Background
In order to improve the wear resistance of the metal surface and the like, a layer of metal film is adhered to the metal surface by utilizing the electrolytic action to prevent the metal from being oxidized, and when the metal surface is electroplated, in order to strengthen the adhesive force between the metal surface and the metal film, the metal surface is impacted by using abrasive ejected by a conveying type sand blasting machine, so that the metal surface is uneven, and the metal film is fully adhered to the metal surface; when a sand blasting machine in the prior art performs sand blasting on a metal surface, in order to enhance the strength of blasting, the diameter of a nozzle is smaller, the pressure of blasting materials is increased, the sizes of abrasive particles formed in the processing process of abrasive materials are different, the volume of part of the abrasive particles is large and the abrasive particles are conveyed to the nozzle under the pushing of compressed air, so that the large-volume abrasive particles cannot be ejected out of the nozzle, small holes of the nozzle are blocked, and the normal metal sand blasting treatment is influenced.
Disclosure of Invention
In order to solve the problems that when the metal surface is subjected to sand blasting by the sand blasting machine in the prior art, the diameter of the nozzle is small and the pressure of a blasting material is increased in order to enhance the strength of the blasting beam, abrasive particles formed in the processing process of the abrasive material are different in size, and the large volume of part of the abrasive particles is conveyed to the nozzle under the pushing of compressed air, so that the large-volume abrasive particles cannot be ejected out of the nozzle, the small holes of the nozzle are blocked, and the normal sand blasting treatment on the metal is influenced, the invention provides a conveying type electroplating machine.
In order to achieve the purpose, the invention is realized by the following technical scheme: the utility model provides an electroplating machine of transport formula, its structure includes support, silo, conveying pipeline, workstation, control cabinet, air pump, the silo is installed inside the support, the workstation is fixed at the support top, the control cabinet is fixed in the workstation left side, the air pump is installed at the workstation top, the silo is connected with the workstation through the conveying pipeline.
The workstation is equipped with opening, conveyer belt, nozzle, connecting pipe, fixture block, the opening runs through lower part both sides in the workstation respectively, the conveyer belt passes the opening and establishes inside the workstation, the nozzle is installed inside the workstation, the connecting pipe is connected between the nozzle, the fixture block cover is inside the nozzle.
As a further improvement of the invention, the fixture block is provided with a support column, a clamping groove, a movable plate, an elastic block, a push rod and a push block, the support column is vertically embedded in the middle of the fixture block, the clamping groove penetrates through the upper portion and the lower portion of the fixture block and is located on two sides of the support column, the movable plate is arranged inside the fixture block, the push rod horizontally penetrates through the movable plate, the elastic block is arranged between the side face of the movable plate and the inner wall of the fixture block, the push block is fixed on the top of the push rod and is movably matched with the elastic block, two sides of the support column are uneven, and one end.
As a further improvement of the invention, the movable plate is provided with a side groove, a push plate, a spring, an air port, a connecting rod and a contact head, the side groove penetrates through the right side of the movable plate, the push plate is arranged in the movable plate, the spring is arranged between the right sides of the two ends of the push plate and the inner wall of the right side of the movable plate, the connecting rod penetrates through the side groove and is fixed on the right side of the push plate, the air port is arranged at the top and the bottom of the left side of the movable plate, the contact head is fixed.
As a further improvement of the invention, the contact is provided with a groove and a bump, the groove is sunken in the top of the contact, the bump is embedded and fixed on the right side surface of the contact, and the surface of the bump is in a small convex point shape.
As a further improvement of the invention, the side groove is provided with a slide rail, a clamping block, a slide block and a brush block, the slide rail is respectively arranged at two sides inside the side groove, the clamping block is movably matched with the slide rail through the slide block, the brush block is arranged on the surface of the clamping block, and the brush block is an arc-shaped surface.
As a further improvement of the invention, the brush block is provided with a reset block, a connecting block and teeth, the connecting block is connected with the inner wall of the brush block through the reset block, the teeth are fixed on the surface of the connecting block, and the teeth are made of metal brush materials.
As a further improvement of the invention, the connecting block is provided with an air bag, a pressure plate and an air channel, the air bag is arranged in the connecting block, the pressure plate is sleeved at the top of the connecting block, the air channel penetrates through the top of the pressure plate and is communicated with the air bag, and the air bag is in a flat elliptic shape.
Advantageous effects
Compared with the prior art, the invention has the following beneficial effects:
1. when the metal plate is subjected to sand blasting, the volume of part of abrasive particles is large and the abrasive particles are conveyed to the nozzle under the pushing of compressed air, the abrasive particles with large volume are crushed by the fixture block, the abrasive particles with large volume are reduced and cannot be sprayed out from the nozzle, so that the small holes of the nozzle are blocked, and the normal metal sand blasting treatment is influenced.
2. The grinding material after smashing is powdered, remains in the contact surface, clears away the powder on contact surface through the inside tooth in side groove, and the powder that reduces the part is piled up between the lug and the recess of contact, leads to the contact surface to fill and level for pressure between contact and the grinding material reduces, and the influence is smashed to the grinding material.
Drawings
FIG. 1 is a schematic structural diagram of a conveying type electroplating machine according to the present invention.
Fig. 2 is a schematic structural diagram of an interior front view of a workbench according to the present invention.
Fig. 3 is a schematic structural diagram of a front cross-sectional view of a chuck according to the present invention.
Fig. 4 is a front sectional structural view of a moving plate according to the present invention.
Fig. 5 is a schematic top view of a contact according to the present invention.
FIG. 6 is a front sectional structural view of a side groove of the present invention.
FIG. 7 is a front view of the inside of a brush block according to the present invention.
Fig. 8 is a front sectional structural view of a connecting block according to the present invention.
In the figure: a bracket-1, a trough-2, a material conveying pipe-3, a workbench-4, a control console-5, an air pump-6, an opening-41, a conveyor belt-42, a nozzle-43, a connecting pipe-44, a clamping block-45, a supporting column-451, a clamping groove-452, a moving plate-453, an elastic block-454, a push rod-455, a push block-456 and a side groove-a 1, push plate-a 2, spring-a 3, air port-a 4, connecting rod-a 5, contact-a 6, groove-a 61, bump-a 62, sliding rail-a 11, clamping block-a 12, sliding block-a 13, brush block-a 14, reset block-b 1, connecting block-b 2, tooth-b 3, air bag-b 21, pressure plate-b 22 and air channel-b 23.
Detailed Description
The invention is further described below with reference to the accompanying drawings:
example 1:
as shown in figures 1 to 5:
the invention provides a conveying type electroplating machine which structurally comprises a support 1, a trough 2, a conveying pipe 3, a workbench 4, a console 5 and an air pump 6, wherein the trough 2 is installed inside the support 1, the workbench 4 is fixed to the top of the support 1, the console 5 is fixed to the left side of the workbench 4, the air pump 6 is installed on the top of the workbench 4, and the trough 2 is connected with the workbench 4 through the conveying pipe 3.
The workbench 4 is provided with an opening 41, a conveyor belt 42, a nozzle 43, a connecting pipe 44 and a fixture block 45, wherein the opening 41 penetrates through two sides of the middle lower part of the workbench 4 respectively, the conveyor belt 42 penetrates through the opening 41 to be arranged inside the workbench 4, the nozzle 43 is arranged inside the workbench 4, the connecting pipe 44 is connected between the nozzle 43, and the fixture block 45 is sleeved inside the nozzle 43.
The fixture block 45 is provided with a support column 451, a clamping groove 452, a moving plate 453, an elastic block 454, a push rod 455 and a push block 456, the support column 451 is vertically embedded in the middle of the fixture block 45, the clamping groove 452 penetrates through the upper portion and the lower portion of the fixture block 45 and is located on two sides of the support column 451, the moving plate 453 is arranged inside the fixture block 45, the push rod 455 horizontally penetrates through the moving plate 453, the elastic block 454 is installed between the side surface of the moving plate 453 and the inner wall of the fixture block 45, the push block 456 is fixed on the top of the push rod 455 and movably matched with the elastic block 454, the two sides of the support column 451 are uneven, the contact area between the push rod 455 and the abrasive particles is increased, the abrasive particles are accelerated to be crushed, one end of the push rod 455.
The moving plate 453 is provided with a side groove a1, a push plate a2, a spring a3, an air port a4, a connecting rod a5 and a contact head a6, the side groove a1 penetrates through the right side of the moving plate 453, the push plate a2 is arranged inside the moving plate 453, the spring a3 is installed between the right sides of the two ends of the push plate a2 and the inner wall of the right side of the moving plate 453, the connecting rod a5 penetrates through the side groove a1 and is fixed on the right side of the push plate a2, the air port a4 is arranged at the top and the bottom of the left side of the moving plate 453, the contact head a6 is fixed at the right end of the connecting rod a5, the left side of the push plate a2 is an uneven surface, the contact area with.
The contact a6 is provided with a groove a61 and a bump a62, the groove a61 is recessed at the top of the contact a6, the bump a62 is embedded in the right side face of the contact a6, and the surface of the bump a62 is in a small convex point shape, so that the contact area of the bump a62 and abrasive particles is reduced, the pressure is increased, and the extrusion and crushing of the abrasive particles are accelerated.
The specific use mode and function of the embodiment are as follows:
in the invention, when a sand blasting machine is used for blasting sand to the surface of a metal plate, abrasive is added into a trough 2, then a control console 5 is controlled to start the machine to operate, the metal plate is placed on the surface of a conveyor belt 42 of a workbench 4, the conveyor belt 42 conveys the metal plate to the inside of an opening 41, a conveyor pipe 3 conveys the abrasive to the inside of the workbench 4, an air pump 6 compresses air to convey the abrasive to a connecting pipe 44, the abrasive is sprayed to the metal plate through a nozzle 43, as the size of abrasive particles formed in the processing process of the abrasive is different, when the size of part of the abrasive particles is larger than that of the compressed air, the abrasive is conveyed to the nozzle 43 under the pushing of the compressed air, the abrasive firstly enters through a clamping groove 452 of a clamping block 45, the large-size abrasive is clamped at the top of a pushing rod 455, the abrasive is continuously blown downwards due to the large thrust of the air, so that, the pushing block 456 pushes the elastic block 454 towards the supporting columns 451, so that the moving plate 453 continuously pushes the abrasive towards the supporting columns 451, the abrasive is clamped between the supporting columns 451 and the moving plate 453, the gas enters through the gas port a4 of the moving plate 453, the pushing plate a2 moves towards the right side under the thrust of the gas, the pushing plate a2 drives the connecting rod a5 and the contact head a6 to move out of the side groove a1, the contact area and the pressure between the groove a61 and the bump a62 on the surface of the contact head a6 and the abrasive are increased, the abrasive is clamped between the supporting columns 451 and the contact head a6 to be crushed, the crushed abrasive is sprayed towards the metal plate through the nozzles 43 under the thrust of the gas, the clamping block 45 is used for crushing the large-size abrasive, the small-size abrasive particles cannot be sprayed out of the nozzles 43, the small holes of the nozzles 43 are blocked.
Example 2:
as shown in fig. 6 to 8:
the side groove a1 is provided with a slide rail a11, a clamping block a12, a slide block a13 and a brush block a14, the slide rails a11 are respectively arranged on two sides of the inside of the side groove a1, the clamping block a12 is movably matched with the slide rail a11 through the slide block a13, the brush block a14 is installed on the surface of the clamping block a12, the brush block a14 is an arc-shaped surface, contact with the contact head a6 is enlarged, and removal of abrasive powder on the surface of the contact head a6 is accelerated.
The brush block a14 is provided with a reset block b1, a connecting block b2 and teeth b3, the connecting block b2 is connected with the inner wall of a brush block a14 through a reset block b1, the teeth b3 are fixed on the surface of the connecting block b2, and the teeth b3 is made of a metal brush and has high hardness, so that powder with high hardness is removed more fully.
The connecting block b2 is provided with an air bag b21, a pressing plate b22 and an air channel b23, the air bag b21 is installed inside the connecting block b2, the pressing plate b22 is sleeved on the top of the connecting block b2, the air channel b23 penetrates through the top of the pressing plate b22 and is communicated with the air bag b21, the air bag b21 is in a flat elliptical shape, the internal area is increased, the storage capacity of air is increased, and the air is accelerated to blow off powder.
The specific use mode and function of the embodiment are as follows:
in the invention, the crushed abrasives are in a powder shape, part of the powder is accumulated between the convex block a62 and the groove a61 of the contact head a6, so that the surface of the contact head a6 is filled, after the large-volume abrasives are crushed, the push rod 455 drives the moving plate 453 to move towards the inner wall of the clamping block 45 in a balanced manner, so that the spring a3 restores to push the push plate a2 to move towards the left side of the moving plate 453, so that the contact head a6 moves into the moving plate 453, when the contact block a6 enters from the side groove a1, the clamping block a12 moves on the sliding rail a11 through the sliding block a13, so that the brush block a14 fully contacts with the contact head a6, the restoring block b 8269556 in the brush block a2 pushes the connecting block b2 to approach towards both sides of the contact head a6, the teeth 3 on the surface of the connecting block b2 remove the powder on the surface of the contact head a6, and the teeth 3 are pressed when the pressing plate 3 on the top of the connecting block 3 to press the air bag 36, the deformation recovery of the air bag b22 blows out the internal air through the air channel b23, the air blows off the powder on the surface of the tooth b3, the powder is sprayed to the metal plate along with the air, the powder on the surface of the contact head a6 is removed through the tooth b3 inside the side groove a1, a reduced part of the powder is accumulated between the convex block a62 and the groove a61 of the contact head a6, the surface of the contact head a6 is flattened, the pressure between the contact head a6 and the abrasive is reduced, and the grinding of the abrasive is influenced.
The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention to achieve the above technical effects.
Claims (7)
1. The utility model provides an electroplating machine of transport formula, its structure includes support (1), silo (2), conveying pipeline (3), workstation (4), control cabinet (5), air pump (6), install inside support (1) silo (2), support (1) top is fixed in workstation (4), workstation (5) are fixed in workstation (4) left side, install at workstation (4) top air pump (6), silo (2) are connected its characterized in that through conveying pipeline (3) with workstation (4):
workstation (4) are equipped with opening (41), conveyer belt (42), nozzle (43), connecting pipe (44), fixture block (45), lower part both sides in workstation (4) are run through respectively in opening (41), conveyer belt (42) pass opening (41) and establish inside workstation (4), install inside workstation (4) nozzle (43), connecting pipe (44) are connected between nozzle (43), fixture block (45) cover is inside nozzle (43).
2. A conveyor electroplating machine as claimed in claim 1, wherein: the clamping block (45) is provided with a supporting column (451), a clamping groove (452), a moving plate (453), an elastic block (454), a push rod (455) and a push block (456), the supporting column (451) is vertically embedded in the middle of the inside of the clamping block (45), the clamping groove (452) penetrates through the upper portion and the lower portion of the clamping block (45) and is located on two sides of the supporting column (451), the moving plate (453) is arranged inside the clamping block (45), the push rod (455) horizontally penetrates through the moving plate (453), the elastic block (454) is installed between the side face of the moving plate (453) and the inner wall of the clamping block (45), and the push block (456) is fixed to the top of the push rod (455) and is movably matched with the.
3. A conveyor electroplating machine as claimed in claim 2, wherein: the moving plate (453) is provided with a side groove (a1), a push plate (a2), a spring (a3), an air port (a4), a connecting rod (a5) and a contact head (a6), the side groove (a1) penetrates through the right side of the moving plate (453), the push plate (a2) is arranged inside the moving plate (453), the spring (a3) is installed between the right sides of the two ends of the push plate (a2) and the inner wall of the right side of the moving plate (453), the connecting rod (a5) penetrates through the side groove (a1) and is fixed to the right side of the push plate (a2), the air port (a4) is arranged at the top and the bottom of the left side of the moving plate (453), and the contact head (a6) is fixed to the.
4. A conveyor electroplating machine as claimed in claim 3, wherein: the contact head (a6) is provided with a groove (a61) and a bump (a62), the groove (a61) is sunken at the top of the contact head (a6), and the bump (a62) is embedded on the right side face of the contact head (a 6).
5. A conveyor electroplating machine as claimed in claim 3, wherein: the side groove (a1) is provided with a sliding rail (a11), a clamping block (a12), a sliding block (a13) and a brush block (a14), the sliding rail (a11) is respectively arranged on two sides of the inside of the side groove (a1), the clamping block (a12) is movably matched with the sliding rail (a11) through the sliding block (a13), and the brush block (a14) is arranged on the surface of the clamping block (a 12).
6. A conveyor electroplating machine as claimed in claim 5, wherein: the brush block (a14) is provided with a reset block (b1), a connecting block (b2) and teeth (b3), the connecting block (b2) is connected with the inner wall of the brush block (a14) through the reset block (b1), and the teeth (b3) are fixed on the surface of the connecting block (b 2).
7. A conveyor electroplating machine as claimed in claim 6, wherein: the connecting block (b2) is provided with an air bag (b21), a pressing plate (b22) and an air channel (b23), the air bag (b21) is installed inside the connecting block (b2), the pressing plate (b22) is sleeved on the top of the connecting block (b2), and the air channel (b23) penetrates through the top of the pressing plate (b22) and is communicated with the air bag (b 21).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010745991.1A CN111843835A (en) | 2020-07-29 | 2020-07-29 | Conveying type electroplating machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010745991.1A CN111843835A (en) | 2020-07-29 | 2020-07-29 | Conveying type electroplating machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111843835A true CN111843835A (en) | 2020-10-30 |
Family
ID=72944904
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010745991.1A Withdrawn CN111843835A (en) | 2020-07-29 | 2020-07-29 | Conveying type electroplating machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111843835A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58102676A (en) * | 1981-12-16 | 1983-06-18 | Nippon Piston Ring Co Ltd | Equipment for overall polishing of cylindrical workpiece in succession |
| CN1939666A (en) * | 2005-09-30 | 2007-04-04 | 佛山市顺德区汉达精密电子科技有限公司 | Magnesium-alloy surface pre-treatment |
| CN2915373Y (en) * | 2006-04-10 | 2007-06-27 | 刘永钦 | Sand supply mechanism for water jet cutting machine |
| CN201669625U (en) * | 2010-05-11 | 2010-12-15 | 赫得纳米科技(昆山)有限公司 | Filter device of sand blasting machine |
| CN109483408A (en) * | 2019-01-07 | 2019-03-19 | 江苏建筑职业技术学院 | A kind of wearability alloy cutting apparatus |
| CN110883703A (en) * | 2018-09-11 | 2020-03-17 | 杭州四方医疗器械有限公司 | Prevent sand blasting machine of jam |
-
2020
- 2020-07-29 CN CN202010745991.1A patent/CN111843835A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58102676A (en) * | 1981-12-16 | 1983-06-18 | Nippon Piston Ring Co Ltd | Equipment for overall polishing of cylindrical workpiece in succession |
| CN1939666A (en) * | 2005-09-30 | 2007-04-04 | 佛山市顺德区汉达精密电子科技有限公司 | Magnesium-alloy surface pre-treatment |
| CN2915373Y (en) * | 2006-04-10 | 2007-06-27 | 刘永钦 | Sand supply mechanism for water jet cutting machine |
| CN201669625U (en) * | 2010-05-11 | 2010-12-15 | 赫得纳米科技(昆山)有限公司 | Filter device of sand blasting machine |
| CN110883703A (en) * | 2018-09-11 | 2020-03-17 | 杭州四方医疗器械有限公司 | Prevent sand blasting machine of jam |
| CN109483408A (en) * | 2019-01-07 | 2019-03-19 | 江苏建筑职业技术学院 | A kind of wearability alloy cutting apparatus |
Non-Patent Citations (2)
| Title |
|---|
| 中国市政工程华北设计院: "《给水排水设计手册 第10册 器材与装置》", 31 December 1986, 中国建筑工业出版社 * |
| 王翠平: "《电镀工艺实用技术教程》", 31 August 2007, 国防工业出版社 * |
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Application publication date: 20201030 |
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| WW01 | Invention patent application withdrawn after publication |