CN107366047A - A kind of efficient fly frame - Google Patents
A kind of efficient fly frame Download PDFInfo
- Publication number
- CN107366047A CN107366047A CN201710772976.4A CN201710772976A CN107366047A CN 107366047 A CN107366047 A CN 107366047A CN 201710772976 A CN201710772976 A CN 201710772976A CN 107366047 A CN107366047 A CN 107366047A
- Authority
- CN
- China
- Prior art keywords
- yarn
- stranding
- hands
- yarn axle
- shaft
- 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.)
- Withdrawn
Links
Classifications
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H1/00—Spinning or twisting machines in which the product is wound-up continuously
- D01H1/14—Details
- D01H1/18—Supports for supply packages
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H13/00—Other common constructional features, details or accessories
- D01H13/04—Guides for slivers, rovings, or yarns; Smoothing dies
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H5/00—Drafting machines or arrangements ; Threading of roving into drafting machine
- D01H5/18—Drafting machines or arrangements without fallers or like pinned bars
- D01H5/70—Constructional features of drafting elements
- D01H5/72—Fibre-condensing guides
-
- D—TEXTILES; PAPER
- D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
- D01H—SPINNING OR TWISTING
- D01H7/00—Spinning or twisting arrangements
- D01H7/02—Spinning or twisting arrangements for imparting permanent twist
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Textile Engineering (AREA)
- Yarns And Mechanical Finishing Of Yarns Or Ropes (AREA)
Abstract
The present invention relates to textile processing field, more particularly to a kind of efficient fly frame.A kind of efficient fly frame, including frame, and the discharge tank being arranged in frame and receipts spindle, and be arranged on discharge tank and receive the Cuo Sha mechanisms and delivery device between spindle；The delivery device of the efficient fly frame can guide fiber to gather when drawing fiber, and rubbing dynamics of the Cuo Sha mechanisms for fiber is bigger；Therefore the rove that the efficient fly frame obtains is closer.
Description
Technical field
The present invention relates to textile processing field, more particularly to a kind of efficient fly frame.
Background technology
Fly frame, it is a kind of Spining Robot for ribbon being made rove.Fly frame mainly includes delivery device to fiber
Drawn, and fiber is rubbed with the hands by Cuo Sha mechanisms and picks up into rove.But existing fly frame has following both sides weak point：
1, when existing delivery device draws fiber, fiber is more scattered, and degree of gathering is told somebody what one's real intentions are；In this way, Cuo Sha mechanisms are difficult to be rubbed with the hands to pick up into
More close rove.Stranding yarn mechanism structure on 2 existing fly frames is single, and the strandings of Cuo Sha mechanisms is picked up ineffective, is mainly existed
In rubbing dynamics deficiency of the Cuo Sha mechanisms for fiber, it is relatively low that obtained rove rubs degree of picking up with the hands, more loosely.
The content of the invention
In order to solve the above problems, it is an object of the invention to provide a kind of efficient fly frame, the efficient fly frame draws
Yarn mechanism can guide fiber to gather when drawing fiber, and rubbing dynamics of the Cuo Sha mechanisms for fiber is bigger；Therefore this is efficiently thick
The rove that yarn machine obtains is closer.
In order to realize above-mentioned purpose, present invention employs following technical scheme：
A kind of efficient fly frame, including frame, and the discharge tank being arranged in frame and receipts spindle, and it is arranged on discharge tank
With receiving Cuo Sha mechanisms and delivery device between spindle；It is characterized in that：
The delivery device is included in the fibre guide frame between Cuo Sha mechanisms and discharge tank, spacing close up set and fiber traction
Component, and in Cuo Sha mechanisms and receive the yarn guiding assembly between spindle；The spacing set that closes up is on fiber traction component
Trip, the spacing set that closes up are in horn-like, and the spacing port of export bore for closing up set is less than entrance point bore；The fiber traction component bag
Include more initiative roll shafts and the driven roll shafts of Duo Gen, more initiative roll shafts are along defeated yarn direction successively gap setting, and more drive rolls
Axle is be arranged in parallel, and more driven voller axles are disposed on above the gap of more initiative roll shafts, every driven roll shaft with its phase
Adjacent two initiative roll shafts fitting is to grinding；The initiative roll shaft is metal roller shaft, and the surface of initiative roll shaft is provided with to be set along its axial direction
The linear rib trace put；The driven roll shaft is plastic cement roll shaft, and driven roll shaft is provided with radiating groove, radiating groove arcuation around it is described from
The roll shaft surface of action roller shaft, and radiating groove cuts off all axial lines in roll shaft surface and circumferential line；
The Cuo Sha mechanisms include the upper stranding cotton yarn tape that overlapping is set up and down and lower stranding cotton yarn tape, and position the upper of the upper stranding cotton yarn tape
Rub yarn axle group, and the positioning lower lower stranding yarn axle group for rubbing cotton yarn tape with the hands with the hands；Band body is formed between the upper stranding cotton yarn tape and lower stranding cotton yarn tape
Gap；Upper stranding cotton yarn tape and the lower with body surface for rubbing cotton yarn tape with the hands are provided with multi-ribbon body rib line, with circulation side of the body rib line edge with body
To setting；The upper stranding yarn axle group and lower stranding yarn axle group include preceding stranding yarn axle arranged in parallel and rub yarn axle with the hands afterwards, and
In preceding stranding yarn axle and the rear tension shaft rubbed with the hands between yarn axle；The upper stranding cotton yarn tape and lower stranding cotton yarn tape are rubbed yarn axle with the hands before being set in and rubbed with the hands with rear
On yarn axle；The upper rear stranding yarn axle rubbed with the hands in yarn axle group and lower stranding yarn axle group, which is both connected to, to be rubbed with the hands on yarn drive component, rubs yarn driving with the hands
Component can drive the rear yarn axle of rubbing with the hands axially to reciprocate, and the upper rear stranding yarn axle movement rubbed with the hands in yarn axle group and lower stranding yarn axle group
Direction is opposite all the time.
It is positioned at preferably, rubbing yarn axle after described with the hands by bearing in frame；The stranding yarn drive component includes upper bias
Axle, lower eccentric shaft, and the upper pendulum bar being connected with upper eccentric shaft, and the draft link being connected with lower eccentric shaft, Yi Jitong
The stranding yarn motor of the upper eccentric shaft of step driving and lower eccentric shaft turns；The eccentric position setting side of the upper eccentric shaft and lower eccentric shaft
To on the contrary, the first end of upper pendulum bar is provided with upper lasso, and it is socketed on the eccentric position of eccentric shaft, the second of upper pendulum bar
End is connected on the rear stranding yarn axle for rubbing yarn axle group with the hands；The first end of draft link has lower lasso, and is socketed in lower bias
Under the eccentric position of axle, the second end of draft link is connected on the rear stranding yarn axle of lower stranding yarn axle group.
The present invention uses above-mentioned technical proposal, and the technical scheme is related to a kind of efficient fly frame, including frame, and sets
Discharge tank and receipts spindle in frame, and be arranged on discharge tank and receive the Cuo Sha mechanisms and delivery device between spindle；Tool
There is following both sides advantage：
1, delivery device includes fibre guide frame, spacing close up set and fiber traction component, and wherein fiber traction component is used to lead
Primed fiber, cooperated by more initiative roll shafts and the driven roll shafts of Duo Gen, make fiber conveying more smooth, and control can be passed through
The rotating ratio of front and rear initiative roll shaft stretches to fiber；The spacing set that closes up is used to collapse the fiber in conveying, makes
Fiber can more effectively be rubbed with the hands and pick up into rove by Cuo Sha mechanisms.In addition, the surface of the initiative roll shaft of fiber traction component is provided with
The linear rib trace axially arranged along its, driven roll shaft are provided with radiating groove, can so allow initiative roll shaft and driven roll shaft to be dissipated
Heat, avoid roll shaft work long hours temperature rise.
2, Cuo Sha mechanisms include the upper stranding cotton yarn tape and lower stranding cotton yarn tape that overlapping is set up and down, and upper stranding cotton yarn tape passes through upper stranding yarn axle group
Drive, lower stranding cotton yarn tape is driven by lower stranding yarn axle group, and fiber passes through through upper stranding cotton yarn tape and the lower band body space rubbed with the hands cotton yarn tape
Upper to rub yarn axle group and the lower rear stranding yarn axle relative motion rubbed with the hands in yarn axle group with the hands, upper stranding cotton yarn tape and lower stranding cotton yarn tape pick up into fiber stranding thick
Yarn, because upper stranding cotton yarn tape and the lower with body surface for rubbing cotton yarn tape with the hands are provided with multi-ribbon body rib line, band body rib line increases band body surface
Face skin-friction force, it is not easy to skid when fiber is picked up in stranding, obtained rove is closer.
Brief description of the drawings
Fig. 1 is the side schematic view of fly frame.
Fig. 2 is the top surface partial schematic diagram of fly frame.
Fig. 3 is the structural representation of fiber traction component.
Fig. 4 is the structural representation for rubbing yarn drive component with the hands.
Embodiment
Below in conjunction with the accompanying drawings, the preferred embodiments of the invention are described in further detail.
A kind of fly frame as shown in Fig. 1 ~ 4, including frame 1, and the discharge tank 2 being arranged in frame 1 and receipts spindle
3, and be arranged on discharge tank 2 and receive the Cuo Sha mechanisms and delivery device between spindle 3.
The delivery device include between Cuo Sha mechanisms and discharge tank 2 fibre guide frame 4, it is spacing close up set 5 and
Fiber traction component 6, and in Cuo Sha mechanisms and receive the yarn guiding assembly 7 between spindle 3.The fibre guide frame 4 is in fibre
The top of traction component 6 is tieed up, fibre guide frame 4, which is provided with, is oriented to roll shaft 41, and if along being oriented to what the axial gap of roll shaft 41 was set
A partition panel 42 is done, fibre guide groove is formed between two neighboring partition panel 42, each fibre guide groove is used to guide a thread yarn
Line, typically on a rove volume it is entwined by two thread yarns, therefore is separated two thread fibers using partition panel 42, favorably
It is smooth to draw yarn in guarantee.The spacing set 5 that closes up be in the upstream of fiber traction component 6, the spacing set 5 that closes up be in it is horn-like, it is spacing
The port of export bore of closing in set 5 is less than entrance point bore.The fiber traction component 6 include more initiative roll shafts 61 and Duo Gen from
Action roller shaft 62, more initiative roll shafts 61 are along defeated yarn direction successively gap setting, and more initiative roll shafts 61 be arranged in parallel, more from
Action roller shaft 62 is disposed on above the gap of more initiative roll shafts 61, two actives adjacent thereto of every driven roll shaft 62
Roll shaft 61 is bonded to grinding.In above-mentioned delivery device, yarn fibers enter spacing close up after fibre guide frame 4 and covered in 5, spacing
Close up and enter fiber traction component 6 after a thread yarn is gathered in covering 5, fiber traction component 6 is that the forward offer of yarn fibers is dynamic
Power.In fiber traction component 6, initiative roll shaft 61 is driven by motor to be rotated, and passes through the speed between initiative roll shaft before and after adjustment 61
Than the thickness that can adjust yarn.In addition, the initiative roll shaft 61 is metal roller shaft, the surface of initiative roll shaft 61 is provided with along its axle
To the linear rib trace 611 of setting；The driven roll shaft 62 is plastic cement roll shaft, and driven roll shaft 62 is provided with radiating groove 621, radiating groove
621 arcuations are around the roll shaft surface of the driven roll shaft 62, and radiating groove 621 cuts off all axial lines in roll shaft surface and circumference
Line.The surface of the initiative roll shaft 61 of fiber traction component 6 is provided with and is provided with along its axially arranged linear rib trace, driven roll shaft 62
Radiating groove 621, can so allow initiative roll shaft 61 and driven roll shaft 62 to be radiated, avoid roll shaft work long hours temperature rise.
The sliding rail 11 received between spindle 3 and Cuo Sha mechanisms, yarn guiding assembly 7 include movement and are arranged on sliding rail
Sliding block 71 on 11, and the yarn-guiding loop 72 being fixed on sliding block 71, and the push-rod assembly being connected with the sliding block 71.Institute
Stating push-rod assembly includes eccentric shaft 73, and the motor 74 that the driving eccentric shaft 73 rotates, and first end is socketed in partially
Swing rod 75 on 73 eccentric position of mandrel, and the push rod 76 being connected with the second end of the swing rod 75.The push rod 76
It is connected with sliding block 71, the body of rod direction of push rod 76 is consistent with the orbital direction of the sliding rail 11.The swing rod 75
First end is provided with ferrule body 77, and ferrule body 77 is socketed on 73 eccentric position of eccentric shaft.When above-mentioned yarn guiding assembly 7 works,
Eccentric shaft 73 in the component of push rod 76, which rotates, drives push rod 76 to be moved axially along its body of rod, and push rod 76 acts on sliding block 71, makes cunning
Block 71 and yarn-guiding loop 72 thereon reciprocate along sliding rail 11, so as to receiving yarn direction real-time change, make on receipts spindle 3
It is uniform to receive tube volume yarn, avoid it is local it is too fat to move, lines are in disorder.
Methods, rack 1 is provided with dust cover 81 on the fiber traction component 6, and dust cover 81 is hinged on machine by hollow pipe 82
On frame 1, the inside of frame 1 is communicated provided with air flue with the hollow pipe 82, and the air flue other end inside frame 1 is connected by flexible pipe 83
Negative pressure device 84.The inside of dust cover 81 is provided with air cavity, and the air cavity communicated with air cavity is provided with below the movable end of dust cover 81
Opening.Disconnected fine bonding roll shaft 86 is located by rotating shaft on the lower surface of dust cover 81 of the air cavity opening；When described dust-proof
When the turnover of cover 81 is covered on fiber traction component 6, disconnected fine bonding roll shaft 86 is covered in spacing set 5 and the fiber traction component of closing up
On fiber between 6.Under the structure, after the spacing 5 pairs of fibers of set that close up are gathered, the fine bonding roll shaft 86 that breaks is by fiber surface
Disconnected fibre glue, suctioned out by negative pressure by the part is disconnected fine.
The Cuo Sha mechanisms include the upper stranding cotton yarn tape 91 that overlapping is set up and down and lower stranding cotton yarn tape 92, and the positioning upper stranding
The upper stranding yarn axle group of cotton yarn tape 91, and the positioning lower lower stranding yarn axle group for rubbing cotton yarn tape 92 with the hands.The upper stranding cotton yarn tape 91 and lower stranding yarn
Band body space is formed between band 92, fiber passes through the band body space；The with body surface of upper stranding cotton yarn tape 91 and lower stranding cotton yarn tape 92 is equal
Multi-ribbon body rib line 9a is provided with, is set with body rib line 9a along the loop direction with body.The upper stranding yarn axle group and lower stranding yarn axle
Group include preceding stranding yarn axle 93 arranged in parallel and it is rear rub yarn axle 94 with the hands, and in preceding stranding yarn axle 93 with it is rear rub with the hands yarn axle 94 it
Between tension shaft 95.The upper stranding cotton yarn tape 91 and lower stranding cotton yarn tape 92 are rubbed yarn axle 93 with the hands before being set in and rubbed with the hands with rear on yarn axle 94, tension shaft
95 are used to adjust the tightness with body.The upper rear stranding yarn axle 94 rubbed with the hands in yarn axle group and lower stranding yarn axle group is both connected to stranding yarn
On drive component, rubbing yarn drive component with the hands can drive the rear yarn axle 94 of rubbing with the hands axially to reciprocate, and upper stranding yarn axle group and lower stranding
94 moving directions of rear stranding yarn axle in yarn axle group are opposite all the time.Specifically, the rear yarn axle 94 of rubbing with the hands is positioned at machine by bearing
On frame 1；The stranding yarn drive component includes upper eccentric shaft 961, lower eccentric shaft 971, and is connected with upper eccentric shaft 961 upper
Swing rod 962, and the draft link 972 being connected with lower eccentric shaft 971, and the synchronous upper eccentric shaft 961 of driving and lower eccentric shaft
The 971 stranding yarn motors 98 rotated.The eccentric position setting direction of the upper eccentric shaft 961 and lower eccentric shaft 971 is on the contrary, upper pendulum bar
962 first end is provided with upper lasso 963, and is socketed on the eccentric position of eccentric shaft 961, the second of upper pendulum bar 962
End is connected on the rear stranding yarn axle 94 for rubbing yarn axle group with the hands；The first end of draft link 972 has lower lasso 973, and is socketed
Under the eccentric position of lower eccentric shaft 971, the second end of draft link 972 is connected on the rear stranding yarn axle 94 of lower stranding yarn axle group.
When the Cuo Sha mechanisms are run, rub eccentric shaft 961 and lower eccentric shaft 971 in yarn drive component synchronous drive with the hands and rotate, due to upper bias
Therefore the eccentric position setting direction of axle 961 and lower eccentric shaft 971 is on the contrary, can ensure in upper stranding yarn axle group and lower stranding yarn axle group
It is opposite all the time to rub yarn 94 moving directions of axle with the hands afterwards.And then can drive and rub cotton yarn tape 91 with the hands and lower stranding cotton yarn tape 92 relatively moves, through described
Fiber with body space is brought into together rove, mass motion process under upper stranding cotton yarn tape 91 and the lower collective effect for rubbing cotton yarn tape 92 with the hands
Palm is imitated mutually to bring together to obtain rove action.
Claims (2)
1. a kind of efficient fly frame, including frame, and the discharge tank being arranged in frame and receipts spindle, and it is arranged on discharging
Cuo Sha mechanisms and delivery device between bucket and receipts spindle；It is characterized in that：
The delivery device is included in the fibre guide frame between Cuo Sha mechanisms and discharge tank, spacing close up set and fiber traction
Component, and in Cuo Sha mechanisms and receive the yarn guiding assembly between spindle；The spacing set that closes up is on fiber traction component
Trip, the spacing set that closes up are in horn-like, and the spacing port of export bore for closing up set is less than entrance point bore；The fiber traction component bag
Include more initiative roll shafts and the driven roll shafts of Duo Gen, more initiative roll shafts are along defeated yarn direction successively gap setting, and more drive rolls
Axle is be arranged in parallel, and more driven voller axles are disposed on above the gap of more initiative roll shafts, every driven roll shaft with its phase
Adjacent two initiative roll shafts fitting is to grinding；The initiative roll shaft is metal roller shaft, and the surface of initiative roll shaft is provided with to be set along its axial direction
The linear rib trace put；The driven roll shaft is plastic cement roll shaft, and driven roll shaft is provided with radiating groove, radiating groove arcuation around it is described from
The roll shaft surface of action roller shaft, and radiating groove cuts off all axial lines in roll shaft surface and circumferential line；
The Cuo Sha mechanisms include the upper stranding cotton yarn tape that overlapping is set up and down and lower stranding cotton yarn tape, and position the upper of the upper stranding cotton yarn tape
Rub yarn axle group, and the positioning lower lower stranding yarn axle group for rubbing cotton yarn tape with the hands with the hands；Band body is formed between the upper stranding cotton yarn tape and lower stranding cotton yarn tape
Gap；Upper stranding cotton yarn tape and the lower with body surface for rubbing cotton yarn tape with the hands are provided with multi-ribbon body rib line, with circulation side of the body rib line edge with body
To setting；The upper stranding yarn axle group and lower stranding yarn axle group include preceding stranding yarn axle arranged in parallel and rub yarn axle with the hands afterwards, and
In preceding stranding yarn axle and the rear tension shaft rubbed with the hands between yarn axle；The upper stranding cotton yarn tape and lower stranding cotton yarn tape are rubbed yarn axle with the hands before being set in and rubbed with the hands with rear
On yarn axle；The upper rear stranding yarn axle rubbed with the hands in yarn axle group and lower stranding yarn axle group, which is both connected to, to be rubbed with the hands on yarn drive component, rubs yarn driving with the hands
Component can drive the rear yarn axle of rubbing with the hands axially to reciprocate, and the upper rear stranding yarn axle movement rubbed with the hands in yarn axle group and lower stranding yarn axle group
Direction is opposite all the time.
A kind of 2. efficient fly frame according to claim 1, it is characterised in that：Yarn axle is rubbed after described with the hands to be positioned at by bearing
In frame；The stranding yarn drive component includes upper eccentric shaft, lower eccentric shaft, and the upper pendulum bar being connected with upper eccentric shaft, with
And the draft link being connected with lower eccentric shaft, and the stranding yarn motor of the synchronous upper eccentric shaft of driving and lower eccentric shaft turns；It is described
The eccentric position setting direction of upper eccentric shaft and lower eccentric shaft is on the contrary, the first end of upper pendulum bar is provided with upper lasso, and is socketed
On the eccentric position of upper eccentric shaft, the second end of upper pendulum bar is connected on the rear stranding yarn axle for rubbing yarn axle group with the hands；Draft link
First end has lower lasso, and is socketed under the eccentric position of lower eccentric shaft, and the second end of draft link is connected to lower stranding
On the rear stranding yarn axle of yarn axle group.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772976.4A CN107366047A (en) | 2017-08-31 | 2017-08-31 | A kind of efficient fly frame |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710772976.4A CN107366047A (en) | 2017-08-31 | 2017-08-31 | A kind of efficient fly frame |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107366047A true CN107366047A (en) | 2017-11-21 |
Family
ID=60311951
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710772976.4A Withdrawn CN107366047A (en) | 2017-08-31 | 2017-08-31 | A kind of efficient fly frame |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107366047A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002339173A (en) * | 2001-05-21 | 2002-11-27 | Howa Mach Ltd | Flyer-driving structure of roving frame |
| CN202898638U (en) * | 2012-09-03 | 2013-04-24 | 邓州雪阳棉品科技开发有限公司 | Anti-skidding radiating drawing rubber roller |
| CN105177773A (en) * | 2015-09-11 | 2015-12-23 | 赵凯 | Yarn twisting and winding device |
| CN205974789U (en) * | 2016-08-27 | 2017-02-22 | 黄怀 | Multi -functional high -efficient fly frame |
| CN207276823U (en) * | 2017-08-31 | 2018-04-27 | 浙江依蕾毛纺织有限公司 | A kind of efficient fly frame |
-
2017
- 2017-08-31 CN CN201710772976.4A patent/CN107366047A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002339173A (en) * | 2001-05-21 | 2002-11-27 | Howa Mach Ltd | Flyer-driving structure of roving frame |
| CN202898638U (en) * | 2012-09-03 | 2013-04-24 | 邓州雪阳棉品科技开发有限公司 | Anti-skidding radiating drawing rubber roller |
| CN105177773A (en) * | 2015-09-11 | 2015-12-23 | 赵凯 | Yarn twisting and winding device |
| CN205974789U (en) * | 2016-08-27 | 2017-02-22 | 黄怀 | Multi -functional high -efficient fly frame |
| CN207276823U (en) * | 2017-08-31 | 2018-04-27 | 浙江依蕾毛纺织有限公司 | A kind of efficient fly frame |
Non-Patent Citations (1)
| Title |
|---|
| 唐静: "法国FM_5型搓捻粗纱机性能探讨", 《毛纺科技》 * |
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20171121 |
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| WW01 | Invention patent application withdrawn after publication |