CN208843305U - Waste discharge system, laminating machine for laminating machine waste discharge side - Google Patents

Waste discharge system, laminating machine for laminating machine waste discharge side Download PDF

Info

Publication number
CN208843305U
CN208843305U CN201821380081.2U CN201821380081U CN208843305U CN 208843305 U CN208843305 U CN 208843305U CN 201821380081 U CN201821380081 U CN 201821380081U CN 208843305 U CN208843305 U CN 208843305U
Authority
CN
China
Prior art keywords
edge grinding
waste discharge
conveying pipeline
laminating machine
pipeline
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.)
Active
Application number
CN201821380081.2U
Other languages
Chinese (zh)
Inventor
肖南
肖均
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Original Assignee
ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd filed Critical ENVIRONMENTAL PROTECTION TECHNOLOGY Co Ltd
Priority to CN201821380081.2U priority Critical patent/CN208843305U/en
Application granted granted Critical
Publication of CN208843305U publication Critical patent/CN208843305U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Grinding Of Cylindrical And Plane Surfaces (AREA)

Abstract

The utility model provides a kind of waste discharge system for laminating machine waste discharge side, laminating machine, is related to laminating machine technical field, solves the technical problem for recycling lamination substrate edge grinding inconvenience in the prior art.The device includes exhaust equipment and edge grinding conveyance conduit, wherein, exhaust equipment is connected with edge grinding conveyance conduit, edge grinding entrance and edge grinding outlet are provided on edge grinding conveyance conduit, edge grinding outlet is connected with waste chamber, and the free end of edge grinding can enter edge grinding entrance and edge grinding can be delivered to waste chamber along edge grinding conveyance conduit under the driving of exhaust equipment.The utility model reduces the workload of related personnel for providing a kind of waste discharge system easy to use.

Description

Waste discharge system, laminating machine for laminating machine waste discharge side
Technical field
The utility model relates to laminating machine technical fields, more particularly, to a kind of waste discharge system for laminating machine waste discharge side System, laminating machine.
Background technique
Laminating machine also known as squeezes out curtain coating compounding machine, it is a kind of more typical extrusion equipment complex of packaging industry, has High degree of automation, easy to operate, speed of production is high, uniform coating thickness, bonding intensity are high, it is smooth, environment friendly and pollution-free to batch, The advantages that saving artificial and cost of material.
It is generally required by the lamination substrate of lamination machining and dismisses the lamination substrate by the trimming device in laminating machine Edge edge grinding on along its length.Recycling edge grinding common practice is in the two sides of lamination substrate edge-cutting device in the prior art The receiving member with inner cavity is placed, edge grinding is automatically fallen under gravity in the inner cavity of receiving member, which needs personnel The material stock situation of receiving member is checked in not timing.After edge grinding is covered with the inner cavity of receiving member, edge grinding is cut by personnel, is then replaced Receiving member continues to store edge grinding, and by the receiving member manual handling to waste chamber for filling with edge grinding, carries out subsequent processing.
Applicants have discovered that at least there is following technical problem in the prior art:
Lamination substrate edge grinding is in recycling in the prior art, waste of manpower and recycling inconvenience.
Utility model content
The purpose of this utility model is to provide a kind of waste discharge systems for laminating machine waste discharge side, laminating machine, to solve The technical problem of lamination substrate edge grinding inconvenience is recycled in the prior art.It is excellent in many technical solutions provided by the utility model Many technical effects (structure is simple, waste discharge side is high-efficient) elaboration as detailed below that selecting technology scheme can be generated.
To achieve the above object, the utility model provides following technical scheme:
A kind of waste discharge system for laminating machine waste discharge side provided by the utility model, including exhaust equipment and edge grinding conveying Pipeline, wherein the exhaust equipment is connected with the edge grinding conveyance conduit, is provided with edge grinding on the edge grinding conveyance conduit and enters Mouthful and edge grinding outlet, edge grinding outlet is connected with waste chamber, the free end of edge grinding can enter the edge grinding entrance and described Edge grinding can the edge grinding conveyance conduit described in the driving lower edge of the exhaust equipment be delivered to the waste chamber.
Preferably, there are two the edge grinding entrance settings, two edge grinding entrances are useless with lamination substrate two sides respectively Side is corresponding and can be adjusted along the distance between two described edge grinding entrances of the width direction of the lamination substrate.
Preferably, the edge grinding conveyance conduit includes sequentially connected first transfer pipeline, the second transfer pipeline and third Transfer pipeline, wherein first transfer pipeline is connected with second transfer pipeline, second transfer pipeline with it is described Third transfer pipeline is connected, and first transfer pipeline is connected by second transfer pipeline with the third transfer pipeline It is logical;The edge grinding entrance is provided on second transfer pipeline and the third transfer pipeline.
Preferably, second transfer pipeline includes the second conveying pipeline, and the third transfer pipeline includes third conveying pipeline, Two edge grinding entrances are respectively arranged on second conveying pipeline and the third conveying pipeline;Second conveying pipeline and institute It states and is socketed between third conveying pipeline, and be detachably connected between second conveying pipeline and the third conveying pipeline, the third Conveying pipeline can be moved along the length direction of second conveying pipeline.
Preferably, it is provided with spacer pin on second transfer pipeline and/or the third transfer pipeline, spacer pin is located at Between two edge grinding entrances, the spacer pin can be limited when two edge grinding entrances normally arrange side between the two most Small distance.
Preferably, first transfer pipeline be fixedly connected with the rack of laminating machine and first transfer pipeline with it is described The distance between second transfer pipeline can be adjusted.
Preferably, first transfer pipeline includes the first conveying pipeline, and second transfer pipeline includes the second conveying pipeline, It is socketed between first conveying pipeline and second conveying pipeline, and can between first conveying pipeline and second conveying pipeline Dismantling connection, second conveying pipeline can be moved along the length direction of first conveying pipeline.
Preferably, guiding tube is provided on the edge grinding conveyance conduit, one end of the guiding tube and the edge grinding convey Pipeline is connected, and the free end of the guiding tube extends upwards;The edge grinding entrance is set on the guiding tube, and described Edge grinding entrance is upward.
Preferably, the edge grinding entrance is funnel-shaped.
The utility model additionally provides a kind of laminating machine, includes the row for laminating machine waste discharge side in above technical scheme Useless system.
The edge grinding of lamination substrate can enter waste discharge system of the utility model for laminating machine waste discharge side by edge grinding entrance Edge grinding conveyance conduit in, and the edge grinding in the pipeline is delivered to waste chamber under the driving of exhaust equipment, it is easy to use Personnel's amount of labour is reduced simultaneously.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is structural schematic diagram of the utility model for the waste discharge system on laminating machine waste discharge side;
Fig. 2 is that the first structure that the utility model is installed in laminating machine for the waste discharge system on laminating machine waste discharge side is shown It is intended to;
Fig. 3 is structural schematic diagram of the utility model for the tee tube in the waste discharge system on laminating machine waste discharge side;
Fig. 4 is that second of structure that the utility model is installed in laminating machine for the waste discharge system on laminating machine waste discharge side is shown It is intended to.
1 in figure, edge grinding conveyance conduit;11, the first conveying pipeline;111, the second spacer pin;12, the second conveying pipeline;121, One guiding tube;1211, the first edge grinding entrance;122, fixed pin;123, the first spacer pin;13, third conveying pipeline;131, second draws Conduit;1311, the second edge grinding entrance;2, exhaust equipment;21, Paper crusher fan;22, blower;3, tee tube;31, the first air port; 32, the second air port;33, third air port;4, edge grinding;5, trimming device;6, waste chamber;7, clip.
Specific embodiment
To keep the purpose of this utility model, technical solution and advantage clearer, below by the technology to the utility model Scheme is described in detail.Obviously, the described embodiments are only a part of the embodiments of the utility model, rather than all Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are not before making creative work Obtained all other embodiment is put, the range that the utility model is protected is belonged to.
The utility model provides a kind of waste discharge system for laminating machine waste discharge side, including exhaust equipment and edge grinding conveying Pipeline, wherein exhaust equipment is connected with edge grinding conveyance conduit, and edge grinding entrance is provided on edge grinding conveyance conduit and edge grinding goes out Mouthful, edge grinding outlet is connected with waste chamber, and the free end of edge grinding can enter edge grinding entrance and edge grinding can be in the driving of exhaust equipment It is lower to be delivered to waste chamber along edge grinding conveyance conduit.The edge grinding of lamination substrate can enter the utility model for drenching by edge grinding entrance In the edge grinding conveyance conduit of the waste discharge system on film machine waste discharge side, and it is under the driving of exhaust equipment that the edge grinding in pipeline is defeated It send to waste chamber, use process is convenient and reduces the amount of labour of staff.
Universal, the trimming device of laminating machine would generally dismiss the edge of lamination substrate two sides along its length, therefore, meeting Generate two lamination substrate edge grindings 4.So preferred in present embodiment, there are two the settings of edge grinding entrance: the first edge grinding entrance 1211 and the second edge grinding entrance 1311.When cutting lamination substrate edge grinding 4, the lamination substrate width of different size is different, therefore, two A edge grinding entrance it is corresponding with the edge grinding 4 of lamination substrate two sides respectively and along two edge grinding entrances of the width direction of lamination substrate it Between distance can be adjusted.
Specifically, edge grinding conveyance conduit 1 includes sequentially connected first transfer pipeline, the second transfer pipeline and third conveying Pipeline, wherein the first transfer pipeline is connected with the second transfer pipeline, and the second transfer pipeline is connected with third transfer pipeline, First transfer pipeline is connected by the second transfer pipeline with third transfer pipeline;On second transfer pipeline and third transfer pipeline It is provided with edge grinding entrance.
Wherein, the second transfer pipeline includes the second conveying pipeline 12, and third transfer pipeline includes third conveying pipeline 13, and two useless Side entrance is respectively arranged on the second conveying pipeline 12 and third conveying pipeline 13, i.e. is provided with the first edge grinding on the second conveying pipeline 12 and enters Mouthfuls 1211, the second edge grinding entrance 1311 is provided on third conveying pipeline 13;It is covered between second conveying pipeline 12 and third conveying pipeline 13 It connects, and is detachably connected between the second conveying pipeline 12 and third conveying pipeline 13 by fastening screw, fastening bolt or fixed pin 122 It connects.Fixed pin 122 is selected in present embodiment, fixed pin 122 can pass through the conveying thickness of pipe wall in outside and be against inside conveying pipeline Outer surface on, the pin 122 that is persistently tightened can make tight fit between the second conveying pipeline 12 and third conveying pipeline 13, be formed removable Unload connection.
There are stationary states and opening state for fixed pin 122, when fixed pin 122 is in stationary state, 122 energy of fixed pin Make to be fixedly connected between the second conveying pipeline 12 and third conveying pipeline 13, and third conveying pipeline 13 cannot be along the length of the second conveying pipeline 12 Spend direction movement.When fixed pin 122 in the open state, third conveying pipeline 13 can be moved along the length direction of the second conveying pipeline 12 It is dynamic.
Preferably, it is provided with spacer pin on the second transfer pipeline and/or third transfer pipeline, spacer pin is located at two edge grindings Between entrance, spacer pin can limit the first edge grinding entrance 1211 and the second edge grinding entrance 1311 normally row side when between the two Minimum range.
Specific in present embodiment, the first spacer pin is provided on the second conveying pipeline 12 and/or third conveying pipeline 13 123, and the first spacer pin 123 passes through the wall thickness of corresponding conveying pipeline and extends into the inner cavity of corresponding conveying pipeline.
For example, when the first spacer pin 123 is set on the second conveying pipeline 12, the first spacer pin 123 can pass through the The wall thickness of two conveying pipelines 12 extends into the inner cavity of the second conveying pipeline 12.When third conveying pipeline 13 is along the length of the second conveying pipeline 12 Direction to close to the second conveying pipeline 12 direction move to contacted with the first spacer pin 123 when, the second conveying pipeline 12 and third are defeated The overlapping region of expects pipe 13 is between the first edge grinding entrance 1211 and the second edge grinding entrance 1311.That is the second conveying pipeline 12 and the overlapping region of third conveying pipeline 13 will not block the edge grinding entrance of any side, waste discharge system can operate normally.
Under normal conditions, lamination substrate is located at the middle position of trimming device 5, when the change width of lamination substrate, leaching Film base material is also the identical width variation of the monosymmetric increase of center line in trimming device 5.Therefore, in order to be filled with trimming It sets 5 to be adapted, the edge grinding conveyance conduit 1 in present embodiment is also required on the basis of the center line of trimming device 5 respectively to two Side is mobile.Therefore, the first transfer pipeline in present embodiment is fixedly connected by clip 7 with the rack of laminating machine and first is defeated The distance between pipeline and the second transfer pipeline is sent to can be adjusted.
Specifically, the first transfer pipeline includes the first conveying pipeline 11, covered between the first conveying pipeline 11 and the second conveying pipeline 12 It connects, and is detachably connected between the first conveying pipeline 11 and the second conveying pipeline 12, the second conveying pipeline 12 can be along the first conveying pipeline 11 Length direction is mobile.The principle and process of the mode being detachably connected herein and the movement of the second conveying pipeline 12 are with specific reference to second Detachable connection method and motion principle between conveying pipeline 12 and third conveying pipeline 13.
Likewise, spacer pin: the second spacer pin 111 is also equipped on the first conveying pipeline 11 and/or the second conveying pipeline 12, When the second conveying pipeline 12 is moved to along the length direction of the first conveying pipeline 11 to be contacted with the second spacer pin 111, the first conveying pipeline 11 and there are a distances with the first edge grinding entrance 1211 for the second overlapping region between conveying pipeline 12, so that overlapping region will not The first edge grinding entrance 1211 is blocked, the edge grinding 4 entered by the first edge grinding entrance 1211 can be discharged by waste discharge system.
Preferably, in order to reduce quantity of gas leakage, appoint in the first conveying pipeline 11, the second conveying pipeline 12 and third conveying pipeline 13 Meaning socket is provided with sealing element in region, which can be the usual sealing in the art such as soft continuous or oil resistant asbestos board Substance.
Further, guiding tube, one end and 1 phase of edge grinding conveyance conduit of guiding tube are additionally provided on edge grinding conveyance conduit 1 Connection, the free end of guiding tube extends upwards;Edge grinding entrance is set on guiding tube, and edge grinding entrance is upward.
Preferably, edge grinding entrance is located at the end of guiding tube free end, specific in present embodiment, in the second delivery pipe It is provided with the first guiding tube 121, the top of the first guiding tube 121 is provided with the first edge grinding entrance 1211;It is set in third delivery pipe It is equipped with the second guiding tube 131, the top of the second guiding tube 131 is provided with the second edge grinding entrance 1311.
Preferably, the first edge grinding entrance 1211 and/or the second edge grinding entrance 1311 are funnel-shaped.
In the present embodiment, exhaust equipment 2 can be Paper crusher fan 21, the air inlet of Paper crusher fan 21 and the first conveying Pipe 11 is connected, and the Paper crusher fan 21 in operating condition can extract the air in edge grinding conveyance conduit 1 and then keep edge grinding defeated The edge grinding 4 in pipeline 1 is sent to move to the side close to Paper crusher fan 21, subsequent edge grinding 4 enters in Paper crusher fan 21 by shredded paper wind Blade inside machine 21 crushes, and the edge grinding 4 smashed is drained into waste chamber 6 by the air outlet of Paper crusher fan 21 by pipeline.It should Paper crusher fan 21 is the prior art, herein without repeating.
Certainly, exhaust equipment 2 can also be common blower 22, and edge grinding 4, which is not smashed, is immediately discharged to waste chamber 6.At this point, needing One tee tube 3 of mating setting is wanted, which includes the first air port 31, the second air port 32 and third air port 33, wherein the One air port 31 and the second air port 32 are located on the same line and are oppositely arranged, the folder between third air port 33 and the first air port 31 Angle is acute angle, and particularly, the angle of the acute angle is the smaller the better.
The first air port 31 on tee tube 3 is connected with the first conveying pipeline 11 of edge grinding conveyance conduit 1, and the second air port 32 is logical Piping is connected with waste chamber 6, and the wind-force outlet on blower 22 is connected with third air port 33.Blower in operating condition The gas of 22 blowouts can be flowed into the inner cavity of tee tube 3 by third air port 33, and be flowed out by the second air port 32.It is fast in tee tube 3 The gas of speed flowing can make to generate negative pressure in edge grinding conveyance conduit 1, and then drive the gas and edge grinding 4 in edge grinding conveyance conduit 1 It is quickly flowed towards the direction of tee tube 3, the edge grinding 4 flowed into tee tube 3 can be blowed by the wind-force that blower 22 generates to waste material In room 6.
Waste discharge system in present embodiment has the advantage that in use
1. in edge grinding conveyance conduit 1 and the negative pressure of edge grinding inlet is larger, attract the ability of lamination substrate edge grinding strong.
2. since lamination substrate edge grinding can drain into time in waste chamber 6, lamination substrate edge grinding will not be involved in lamination In substrate volume, yields is improved.
The utility model additionally provides a kind of laminating machine, includes the row for laminating machine waste discharge side in above technical scheme Useless system.
Above description is only a specific implementation of the present invention, but the protection scope of the utility model is not limited to In this, anyone skilled in the art within the technical scope disclosed by the utility model, can readily occur in variation Or replacement, it should be covered within the scope of the utility model.Therefore, the protection scope of the utility model should be with the power Subject to the protection scope that benefit requires.

Claims (10)

1. a kind of waste discharge system for laminating machine waste discharge side, which is characterized in that including exhaust equipment (2) and edge grinding conveyance conduit (1), wherein
The exhaust equipment (2) is connected with the edge grinding conveyance conduit (1), is provided on the edge grinding conveyance conduit (1) useless Side entrance and edge grinding outlet, the edge grinding outlet are connected with waste chamber (6), and the free end of edge grinding (4) can enter the edge grinding Entrance and the edge grinding (4) the edge grinding conveyance conduit (1) described in the driving lower edge of the exhaust equipment (2) are delivered to described useless Expect room (6).
2. the waste discharge system according to claim 1 for laminating machine waste discharge side, which is characterized in that the edge grinding entrance is set There are two setting, two edge grinding entrances are corresponding with edge grinding (4) of lamination substrate two sides and along the lamination substrate respectively The distance between width direction two described edge grinding entrances can be adjusted.
3. the waste discharge system according to claim 1 for laminating machine waste discharge side, which is characterized in that the edge grinding delivery pipe Road (1) includes sequentially connected first transfer pipeline, the second transfer pipeline and third transfer pipeline, wherein first conveying Pipeline is connected with second transfer pipeline, and second transfer pipeline is connected with the third transfer pipeline, and described One transfer pipeline is connected by second transfer pipeline with the third transfer pipeline;Second transfer pipeline and described The edge grinding entrance is provided on third transfer pipeline.
4. the waste discharge system according to claim 3 for laminating machine waste discharge side, which is characterized in that second delivery pipe Road includes the second conveying pipeline (12), and the third transfer pipeline includes third conveying pipeline (13), two edge grinding entrance difference It is set on second conveying pipeline (12) and the third conveying pipeline (13);Second conveying pipeline (12) and the third are defeated Expects pipe is socketed between (13), and is detachably connected between second conveying pipeline (12) and the third conveying pipeline (13), described Third conveying pipeline (13) can be mobile along the length direction of second conveying pipeline (12).
5. the waste discharge system according to claim 4 for laminating machine waste discharge side, which is characterized in that second delivery pipe Spacer pin is provided on road and/or the third transfer pipeline, the spacer pin is located between two edge grinding entrances, described Spacer pin can limit minimum range when two edge grinding entrances normally arrange side between the two.
6. the waste discharge system according to claim 3 for laminating machine waste discharge side, which is characterized in that first delivery pipe Road is fixedly connected with the rack of laminating machine and the distance between first transfer pipeline and second transfer pipeline can be carried out It adjusts.
7. the waste discharge system according to claim 6 for laminating machine waste discharge side, which is characterized in that first delivery pipe Road include the first conveying pipeline (11), second transfer pipeline include the second conveying pipeline (12), first conveying pipeline (11) with It is socketed between second conveying pipeline (12), and detachable between first conveying pipeline (11) and second conveying pipeline (12) Connection, second conveying pipeline (12) can be mobile along the length direction of first conveying pipeline (11).
8. the waste discharge system according to claim 1 for laminating machine waste discharge side, which is characterized in that the edge grinding delivery pipe Guiding tube is provided on road (1), one end of the guiding tube is connected with the edge grinding conveyance conduit (1), the guiding tube Free end extends upwards;The edge grinding entrance is set on the guiding tube, and the edge grinding entrance is upward.
9. the waste discharge system according to claim 1 for laminating machine waste discharge side, which is characterized in that the edge grinding entrance is in Funnel-form.
10. a kind of laminating machine, which is characterized in that comprising described in any one of claim 1 to 9 for laminating machine waste discharge side Waste discharge system.
CN201821380081.2U 2018-08-24 2018-08-24 Waste discharge system, laminating machine for laminating machine waste discharge side Active CN208843305U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821380081.2U CN208843305U (en) 2018-08-24 2018-08-24 Waste discharge system, laminating machine for laminating machine waste discharge side

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821380081.2U CN208843305U (en) 2018-08-24 2018-08-24 Waste discharge system, laminating machine for laminating machine waste discharge side

Publications (1)

Publication Number Publication Date
CN208843305U true CN208843305U (en) 2019-05-10

Family

ID=66357364

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821380081.2U Active CN208843305U (en) 2018-08-24 2018-08-24 Waste discharge system, laminating machine for laminating machine waste discharge side

Country Status (1)

Country Link
CN (1) CN208843305U (en)

Similar Documents

Publication Publication Date Title
CN103287857B (en) A kind of biomass micro-positive air-transport system
CN108790216A (en) A kind of wind power generation blade integration perfusion assembly line and its instillation process
CN106733278A (en) A kind of ice fog flusher with antifreeze function
CN208843305U (en) Waste discharge system, laminating machine for laminating machine waste discharge side
CN207497678U (en) A kind of novel roots blower conveying material device
CN204642297U (en) A kind of flat-plate aluminum plastic machine hopper blowing dust collector
CN204035177U (en) Roll web tailing total system
CN103143543A (en) Negative-pressure suction conveyer system for EPP and EPS machining chips
CN104555878A (en) Tank vehicle unloading system
CN206034534U (en) Pressure automatically regulated water reticulation system
CN207059267U (en) A kind of straight inclined extrusion equipment of rubber mass
CN106564090B (en) Waste collection system and method
CN206590171U (en) A kind of material residue discharges recovery system
FI128263B (en) System and method of moving construction waste
CN114227941B (en) Indoor cast-in-place pulping system, control method and indoor cast-in-place pulping system
CN205497437U (en) Equipment is placed to valve temporarily
CN205705195U (en) A kind of controlled feeding structure of drum type brake flow
CN208852957U (en) A kind of sand milling control system of preventing leakage because of tube bursting slurry
CN214982565U (en) Laminating machine cooling paper cutting device
CN212449685U (en) Waste discharge system for waste discharge of laminating machine
CN209319243U (en) Intelligent house door-plate apparatus for production line
CN206763787U (en) A kind of fin punch machine and fin punch machine vacuum waste-absorbing material device
CN207507695U (en) A kind of automatic spray humidifier
CN107777385A (en) A kind of conveyer dust collect plant
CN210022020U (en) Powder feed arrangement is used in compound processing of water-reducing agent

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant