CN108705861A - Printing machine drying device - Google Patents
Printing machine drying device Download PDFInfo
- Publication number
- CN108705861A CN108705861A CN201810402475.1A CN201810402475A CN108705861A CN 108705861 A CN108705861 A CN 108705861A CN 201810402475 A CN201810402475 A CN 201810402475A CN 108705861 A CN108705861 A CN 108705861A
- Authority
- CN
- China
- Prior art keywords
- fire
- powder
- branch pipe
- conveyer belt
- printed matter
- 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.)
- Pending
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/044—Drying sheets, e.g. between two printing stations
- B41F23/0463—Drying sheets, e.g. between two printing stations by convection
- B41F23/0466—Drying sheets, e.g. between two printing stations by convection by using heated air
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C31/00—Delivery of fire-extinguishing material
- A62C31/28—Accessories for delivery devices, e.g. supports
-
- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62C—FIRE-FIGHTING
- A62C37/00—Control of fire-fighting equipment
- A62C37/36—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device
- A62C37/38—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone
- A62C37/42—Control of fire-fighting equipment an actuating signal being generated by a sensor separate from an outlet device by both sensor and actuator, e.g. valve, being in the danger zone with mechanical connection between sensor and actuator, e.g. rods, levers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F23/00—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing
- B41F23/04—Devices for treating the surfaces of sheets, webs, or other articles in connection with printing by heat drying, by cooling, by applying powders
- B41F23/0403—Drying webs
- B41F23/0423—Drying webs by convection
- B41F23/0426—Drying webs by convection using heated air
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41F—PRINTING MACHINES OR PRESSES
- B41F33/00—Indicating, counting, warning, control or safety devices
Abstract
The present invention relates to the parts of screen process press, specially a kind of printing machine drying device, including netted conveyer belt, the drier being set to above conveyer belt and the negative pressure mechanism being set to below conveyer belt, further includes Chu Fenxiang, cooling piece and airborne dust part, bear.Wind turbine provides high-speed flow.Storage powder case provides fire-fighting powder for high-speed flow.Even if will store up the fire-fighting powder in powder case when open fire occurs in extinguishing member is oriented to printed matter, the open fire on printed matter is put out.Gas in cooling piece cooling storage powder case.Airborne dust part will store up fire-fighting powder in powder case and raise to form gas dirt mixture.Wind turbine provides high-speed flow.Fire-fighting powder is both irreflexive material and the material of fire extinguishing.Air draught branch pipe will store up fire-fighting powder in powder case and be oriented to wind turbine.Fire-fighting powder is oriented to printed matter by fire extinguishing branch pipe.The present invention provides a kind of drying device for ensuring to improve rate of drying under the premise of paper printed matter dry mass and safety.
Description
Technical field
The present invention relates to the parts of screen process press, specially a kind of printing machine drying device.
Background technology
Silk-screen printing refers to using silk screen as version base, and by photosensitive lithographic method, the screen printing forme with picture and text is made.
Silk-screen printing is made of top 5 factor, screen printing forme, scraper plate, ink, print station and stock.Utilize screen printing forme picture and text portion
Subnetting hole can pass through ink, and the basic principle that non-graphic part mesh cannot penetrate ink is printed.In screen printing when printing
Ink is poured into one end of version, applies certain pressure to the ink position on screen printing forme with scraper plate, while another towards screen printing forme
End is at the uniform velocity moved, and ink is expressed to from the mesh of areas on stock by scraper plate on the move.
As described in a kind of screen processes press of patent of invention CN103434265B and its drying device, screen process press is using red
Outer or ultraviolet light (UV) dry technology, printing passes through area of illumination under the transmission of conveyer belt, with certain speed, dry to reach
Dry effect.The patent refers to the transmission printing paper that mesh belt cooperation lower section negative pressure ventilation mechanism can stablize.Netted biography
Send band in the relatively thin printed matter of transmission paper, the light that drier is projected can pass through printed matter, the net of mesh belt
Lattice entity part upper surface can then reflect the light of drier projection, and the hollow space of mesh belt is then directly by the projection
The light transmission past, the conveyer belt grid that will result in printing art paper lower surface formation rule in this way was dark without will produce reflected light
Shadow (being commonly called as grid print) causes product unqualified.And the invention is using irreflexive anti-in the plate coating of the upper surface of negative pressure ventilation mechanism
The light reflection of drier projection is returned printed matter, the back side of printed matter is made to receive reflected light, drier light source by luminescent material
The energy for being irradiated to each position in printing is almost the same, to solve the technical issues of printing product surface generates shadow after drying.
But there are problems for above-mentioned patent：Opening as much as possible is opened up on the negative pressure box of negative pressure ventilation mechanism to printing paper
It opens and forms uniform adsorption capacity, but reduce opening on negative pressure box to the greatest extent again simultaneously, there are the shells more than possible to coat diffusing reflection
Material, the luminous intensity otherwise reflected is insufficient, may result in printing product surface and generates shadow.Other than aforementioned contradiction, above-mentioned patent is also
There is a problem of that mesh transmission band is slower by area of illumination.This is because temperature cannot be too when drier dry paper printed matter
Height, otherwise gently then overdrying is rotten for paper printed matter, heavy then reach burning point and burn.Therefore drier can only be dried with lower-wattage
Printed matter.
Invention content
The present invention provides a kind of drying for ensuring to improve rate of drying under the premise of paper printed matter dry mass and safety
Device.
The present invention provides base case：Printing machine drying device, including netted conveyer belt, be set to above conveyer belt
Drier and the negative pressure mechanism that is set to below conveyer belt, further include Chu Fenxiang, cooling piece and airborne dust part, the negative pressure
Mechanism includes wind turbine and extinguishing member, and the airborne dust part may be contained with cooling piece in storage powder case, and fire-fighting powder is equipped in storage powder case,
The storage powder case is equipped with air inlet and meal outlet, and the meal outlet of the storage powder case is connected to the wind turbine, and the wind turbine is equipped with outlet air
The air-out direction of mouth and suction nozzle, the air outlet is identical as the air draught direction of suction nozzle and is located at the lower section of conveyer belt, described
Suction nozzle is also associated with air draught branch pipe, and the air draught branch pipe is connected to the meal outlet of the storage powder case；The extinguishing member includes fire extinguishing
Branch pipe, sliding valve plate, temperature sensor and controller, the top of the temperature sensor setting conveyer belt, the fire extinguishing branch
The air-out direction of air outlet described in the branch pipe inlet communication of pipe, the branch outlet of the fire extinguishing branch pipe is directed toward the upper end of conveyer belt
Face, the controller is used to receive the temperature information of temperature sensor, and control slide-valve plate closes when temperature reaches setting value
Branch outlet is opened while closing air outlet.
Conveyer belt transmits printed matter.Drier dries printed matter.Negative pressure mechanism forms negative pressure in the lower section of conveyer belt.Wind
Machine provides high-speed flow.Storage powder case provides fire-fighting powder for high-speed flow.Even if extinguishing member will store up in powder case when there is open fire
Fire-fighting powder is oriented to printed matter, puts out the open fire on printed matter.Gas in cooling piece cooling storage powder case.Airborne dust part is by Chu Fenxiang
Middle fire-fighting powder raises to form gas dirt mixture.Wind turbine provides high-speed flow.Fire-fighting powder is both irreflexive material and goes out
The material of fire.Air draught branch pipe will store up fire-fighting powder in powder case and be oriented to wind turbine.Fire-fighting powder is oriented to printed matter by fire extinguishing branch pipe.
Compared with prior art, it is the advantages of this programme：
1. air outlet forms high-speed flow with suction nozzle in the lower section of conveyer belt, according to bernoulli principle, conveyer belt lower section
The big pressure of flow velocity is small, this pressure for making the printed matter on conveyer belt downward by air is come from above, compared in background technology
By the way of the trepanning absorption printed matter on negative pressure box, the structure that this programme uses makes printed matter be integrally more uniformly distributed pressure
Power.
2. since storage powder case provides fire-fighting powder for wind turbine, with fire extinguishing in the high-speed flow between air outlet and suction nozzle
Dry powder, fire-fighting powder is likewise supplied with diffusing characteristic diffuser, therefore can form uniform diffusing reflection band, background skill in the lower section of printed matter
Negative pressure box is only capable of the case where the position of not trepanning coats diffuse-reflective material in art, and this programme can be closer in the lower section of conveyer belt
Position in form complete diffusing reflection band, diffusing reflection penetrates the infrared light or ultraviolet light of printed matter with diffusing reflection, compared to the back of the body
The integrality of diffusing reflection band reflection in reflection means this programme of scape technology is promoted with the uniformity.
3. the high-speed flow below conveyer belt can take away certain heat, the lower face of cooling printed matter, drier adds
The upper surface of thermally printed product, air-flow cools down the lower face of printed matter, while rapid draing printed matter upper surface ink, and energy
Make printed matter that low temperature be kept to be unlikely to damage and burn, the drying power of drier can be promoted in this programme, accelerate printed matter
Dry speed.
4. storing up the cooling piece cooling air and fire-fighting powder in powder case, make the cooling efficiency of the high-speed flow below conveyer belt
Higher, can preferably complete the cooling to printed matter, and the drying power of drier can be promoted further.
5. causing printed matter burning to make when the power of drier is excessively high, the temperature sensor of extinguishing member can incude in time,
And control sliding valve plate and close air outlet unlatching fire extinguishing branch pipe, by the upper end of the high-speed flow guiding printed matter below conveyer belt
The flame of printed matter is put out in face by the dry powder in air-flow in time.
Further, the meal outlet is equipped with regulating valve.Advantageous effect：Enter wind turbine by adjusting valve regulation fire-fighting powder
Amount, and then adjust ability of the diffusing reflection with reflected light.
Further, the sliding valve plate includes that can stretch into fire extinguishing branch pipe and the upper valve head of smothering branch pipe, can stretch into out
Tuyere simultaneously closes the lower valve head of air outlet, the drive that the connecting rod and drive connection bar of valve head and lower valve head slide up and down in connection
Moving part.Advantageous effect：It slides closing air outlet when valve plate glides and opens fire extinguishing branch pipe, fire-fighting powder is made to be directly communicated to printed matter,
When sliding on opposite sliding valve plate, upper valve head smothering branch pipe, lower valve head opens air outlet.
Further, the fire-fighting powder is NaHCO3.Advantageous effect：NaHCO3There is opaque monoclinic system grain, has
Standby good reflection characteristic, while NaHCO3Open fire can effectively be put out by being preferable dry-chemical fire extinguishing material.
Further, the fire-fighting powder is additionally added reflective powder.Advantageous effect：Fire-fighting powder in high-speed flow can not carry
For enough diffusing reflection performances four, reflective powder is added to fire-fighting powder and promotes its reflective function, because in silk-screen printing inherently
Reflective powder can be applied, so reflective powder can be easily found in silk-screen printing environment.
Further, further include the seal box of upper end opening connection air outlet and suction nozzle.Advantageous effect：Seal box makes outlet air
Semi-closed state is formed between mouth and suction nozzle, and fire-fighting powder is made to be transmitted in seal box.
Description of the drawings
Fig. 1 is the structural schematic diagram of printing machine drying device embodiment of the present invention.
Fig. 2 is the sectional view of Fig. 1.
Specific implementation mode
Below by the further details of explanation of specific implementation mode：
Reference numeral in Figure of description includes：Drier 1, conveyer belt 2, storage powder case 3, cooling piece 4, airborne dust part 5,
Wind turbine 6, air outlet 7, suction nozzle 8, seal box 9, air draught branch pipe 10, fire extinguishing branch pipe 11, sliding valve plate 12.
Embodiment is substantially as shown in Fig. 1：Printing machine drying device, including netted conveyer belt 2, it is set to conveyer belt 2
The drier 1 of top, the negative pressure mechanism for being set to 2 lower section of conveyer belt, conveyer belt 2 transmit printed matter.The drying print of drier 1
Brush product.Negative pressure mechanism forms negative pressure in the lower section of conveyer belt 2.
As described in Figure 2, negative pressure mechanism includes wind turbine 6, extinguishing member, storage powder case 3, cooling piece 4 and airborne dust part 5, airborne dust part 5
It may be contained in storage powder case 3 with cooling piece 4, fire-fighting powder be equipped in storage powder case 3, storage powder case 3 is equipped with air inlet and meal outlet, storage
The meal outlet of powder case 3 is connected to wind turbine 6.Wind turbine 6 provides high-speed flow.Storage powder case 3 provides fire-fighting powder for high-speed flow.Fire extinguishing is dry
Powder is both irreflexive material and the material of fire extinguishing.Even if the fire-fighting powder stored up in powder case 3 is led when open fire occurs in extinguishing member
To printed matter, the open fire on printed matter is put out.Gas in the cooling storage powder of cooling piece 4 case 3.Airborne dust part 5 will be stored up in powder case 3 and be put out a fire
Dry powder raises to form gas dirt mixture.Wind turbine 6 provides high-speed flow.
Wind turbine 6 is equipped with air outlet 7 and suction nozzle 8, and upper end opening connects the seal box 9 of air outlet 7 and suction nozzle 8, sealing
Case 9 makes to form semi-closed state between air outlet 7 and suction nozzle 8, makes fire-fighting powder transmission in seal box 9.Air outlet 7 goes out
Wind direction is identical as the air draught direction of suction nozzle 8 and is located at the lower section of conveyer belt 2, and suction nozzle 8 is also associated with air draught branch pipe 10, inhales
The meal outlet of the connection storage powder of wind branch pipe 10 case 3；Air outlet 7 forms high-speed flow with suction nozzle 8 in the lower section of conveyer belt 2, according to
Bernoulli principle, the 2 big pressure of lower section flow velocity of conveyer belt is small, this make the printed matter on conveyer belt 2 come from above air to
Under pressure, stablize is attached on netted conveyer belt.Simultaneously because storage powder case 3 provides fire-fighting powder, air outlet for wind turbine 6
Fire-fighting powder is carried in high-speed flow between 7 and suction nozzle 8, fire-fighting powder is likewise supplied with diffusing characteristic diffuser, therefore can print
The lower section of brush product forms uniform diffusing reflection band, and negative pressure box is only capable of coating diffusing reflection material in the position of not trepanning in background technology
The case where material, this programme can form complete diffusing reflection band, diffusing reflection band diffusing reflection in the closer position in the lower section of conveyer belt 2
It is complete compared to the diffusing reflection band reflection in reflection means this programme of background technology through the infrared light or ultraviolet light of printed matter
Whole property is promoted with the uniformity.The adjusting valve regulation fire-fighting powder for adjusting meal outlet setting enters the amount of wind turbine, and then adjusts
Save ability of the diffusing reflection with reflected light.
Extinguishing member includes fire extinguishing branch pipe 11, sliding valve plate 12, temperature sensor and controller, and temperature sensor setting passes
The top of band 2 is sent, the air-out direction of the branch pipe inlet communication air outlet 7 for branch pipe 11 of putting out a fire, the branch outlet for branch pipe 11 of putting out a fire refers to
To the upper surface of conveyer belt 2, controller is used to receive the temperature information of temperature sensor, and is controlled when temperature reaches setting value
Sliding valve plate 12 opens branch outlet while closing air outlet 7.Printed matter is caused to burn when the power of drier 1 is excessively high
Make, the temperature sensor of extinguishing member can incude in time, and control sliding valve plate 12 and close the unlatching fire extinguishing branch pipe 11 of air outlet 7, will
Square high-speed flow is oriented to the upper surface of printed matter under the conveyor belt 2, puts out the flame of printed matter in time by the dry powder in air-flow.
Sliding valve plate 12 includes that can stretch into fire extinguishing branch pipe 11 and the upper valve head of smothering branch pipe 11, can stretch into air outlet 7
And close the lower valve head of air outlet 7, the driving that the connecting rod and drive connection bar of valve head and lower valve head slide up and down in connection
Part.It slides closing air outlet 7 when valve plate 12 glides and opens fire extinguishing branch pipe 11, fire-fighting powder is made to be directly communicated to printed matter, it is opposite sliding
When sliding on dynamic valve plate 12, upper valve head smothering branch pipe 11, lower valve head opens air outlet 7.
It is 3 to store up the quality parts ratio of fire-fighting powder and reflective powder in powder case 3:1, wherein fire-fighting powder is NaHCO3, reflective
The refractive index of powder is ND >=2.2.NaHCO3There is opaque monoclinic system grain, has good reflection characteristic, simultaneously
NaHCO3Open fire can effectively be put out by being preferable dry-chemical fire extinguishing material.Fire-fighting powder in high-speed flow can not provide enough
Diffusing reflection performance four, to fire-fighting powder be added reflective powder promote its reflective function because can inherently be applied in silk-screen printing
Reflective powder, so reflective powder can be easily found in silk-screen printing environment.
The high-speed flow of 2 lower section of conveyer belt can take away certain heat, the lower face of cooling printed matter, and drier 1 adds
The upper surface of thermally printed product, air-flow cools down the lower face of printed matter, while rapid draing printed matter upper surface ink, and energy
Make printed matter that low temperature be kept to be unlikely to damage and burn, the drying power of drier 1 can be promoted in this programme, accelerate printed matter
Dry speed.4 cooling air of cooling piece and fire-fighting powder in powder case 3 are stored up, the cooling of the high-speed flow of 2 lower section of conveyer belt is made
It is more efficient, the cooling to printed matter can be preferably completed, the drying power of drier 1 can be promoted further.
Above-described is only the embodiment of the present invention, and the common sense such as well known concrete structure and characteristic are not made herein in scheme
Excessive description, technical field that the present invention belongs to is all before one skilled in the art know the applying date or priority date
Ordinary technical knowledge can know the prior art all in the field, and with using routine experiment hand before the date
The ability of section, one skilled in the art can improve in conjunction with self-ability and implement under the enlightenment that the application provides
This programme, some typical known features or known method should not implement the application as one skilled in the art
Obstacle.It should be pointed out that for those skilled in the art, without departing from the structure of the invention, can also make
Go out several modifications and improvements, these should also be considered as protection scope of the present invention, these all do not interfere with the effect that the present invention is implemented
Fruit and patent practicability.The scope of protection required by this application should be based on the content of the claims, the tool in specification
The records such as body embodiment can be used for explaining the content of claim.
Claims (6)
1. printing machine drying device, including netted conveyer belt, the drier that is set to above conveyer belt and it is set to biography
Send the negative pressure mechanism with lower section, it is characterised in that：Further include Chu Fenxiang, cooling piece and airborne dust part, the negative pressure mechanism includes wind
Machine and extinguishing member, the airborne dust part may be contained with cooling piece in storage powder case, and fire-fighting powder, the storage powder case are equipped in storage powder case
Equipped with air inlet and meal outlet, the meal outlet of the storage powder case is connected to the wind turbine, and the wind turbine is equipped with air outlet and suction nozzle,
The air-out direction of the air outlet is identical as the air draught direction of suction nozzle and is located at the lower section of conveyer belt, and the suction nozzle is also connected with
There are air draught branch pipe, the air draught branch pipe to be connected to the meal outlet of the storage powder case；The extinguishing member includes fire extinguishing branch pipe, slide-valve
Plate, temperature sensor and controller, the top of the temperature sensor setting conveyer belt, the branch pipe import of the fire extinguishing branch pipe
It is connected to the air outlet, the air-out direction of the branch outlet of the fire extinguishing branch pipe is directed toward the upper surface of conveyer belt, the controller
Temperature information for receiving temperature sensor, and when temperature reaches setting value while control slide-valve plate closing air outlet
Open branch outlet.
2. printing machine drying device according to claim 1, it is characterised in that：The meal outlet is equipped with regulating valve.
3. printing machine drying device according to claim 2, it is characterised in that：The sliding valve plate includes that can stretch into fire extinguishing
The upper valve head of branch pipe and smothering branch pipe can stretch into air outlet and close the lower valve head of air outlet, valve head and lower valve in connection
The actuator that the connecting rod and drive connection bar of head slide up and down.
4. printing machine drying device according to claim 1, it is characterised in that：The fire-fighting powder is NaHCO3。
5. printing machine drying device according to claim 4, it is characterised in that：The fire-fighting powder is additionally added reflective powder.
6. printing machine drying device according to claim 5, it is characterised in that：Further include upper end opening connection air outlet with
The seal box of suction nozzle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402475.1A CN108705861A (en) | 2018-04-28 | 2018-04-28 | Printing machine drying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810402475.1A CN108705861A (en) | 2018-04-28 | 2018-04-28 | Printing machine drying device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108705861A true CN108705861A (en) | 2018-10-26 |
Family
ID=63867532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810402475.1A Pending CN108705861A (en) | 2018-04-28 | 2018-04-28 | Printing machine drying device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108705861A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393417A (en) * | 2019-08-02 | 2019-11-01 | 张兆国 | A kind of electrically driven curtain improving security protection efficiency |
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| CN106154371A (en) * | 2015-04-27 | 2016-11-23 | 鸿富锦精密工业（深圳）有限公司 | Combined type reflector plate and preparation method thereof |
| CN106671120A (en) * | 2016-10-31 | 2017-05-17 | 华南理工大学 | Pervasive modularized air-aspiration type robot gripper |
| CN107098160A (en) * | 2017-04-26 | 2017-08-29 | 中国工程物理研究院化工材料研究所 | A kind of crawl of flexible, porous thin gauge sheet and transfer device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101424393A (en) * | 2008-11-20 | 2009-05-06 | 北京巨数数字技术开发有限公司 | LED backlight system |
| CN103434265A (en) * | 2013-09-06 | 2013-12-11 | 常德金鹏印务有限公司 | Screen printing machine and drying device of screen printing machine |
| CN104749668A (en) * | 2013-12-30 | 2015-07-01 | 鸿富锦精密工业（深圳）有限公司 | Reflective film and method for manufacturing reflective film |
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| CN204278738U (en) * | 2014-11-05 | 2015-04-22 | 睿志达光电(深圳)有限公司 | Tunnel type glass ink dryer conveyer |
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| CN107098160A (en) * | 2017-04-26 | 2017-08-29 | 中国工程物理研究院化工材料研究所 | A kind of crawl of flexible, porous thin gauge sheet and transfer device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110393417A (en) * | 2019-08-02 | 2019-11-01 | 张兆国 | A kind of electrically driven curtain improving security protection efficiency |
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Application publication date: 20181026 |
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