CN110239256A - A kind of ink leakage proof spring pen head, ball pen and ball pen - Google Patents
A kind of ink leakage proof spring pen head, ball pen and ball pen Download PDFInfo
- Publication number
- CN110239256A CN110239256A CN201910666128.4A CN201910666128A CN110239256A CN 110239256 A CN110239256 A CN 110239256A CN 201910666128 A CN201910666128 A CN 201910666128A CN 110239256 A CN110239256 A CN 110239256A
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- spring
- ball
- pen
- ink
- ball seat
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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.)
- Granted
Links
- 230000006835 compression Effects 0.000 claims abstract description 8
- 238000007906 compression Methods 0.000 claims abstract description 8
- 229910001220 stainless steel Inorganic materials 0.000 claims abstract description 7
- 239000010935 stainless steel Substances 0.000 claims abstract description 6
- 238000005520 cutting process Methods 0.000 claims abstract description 4
- 239000000839 emulsion Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 3
- 238000003825 pressing Methods 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000005516 engineering process Methods 0.000 abstract description 4
- 238000005553 drilling Methods 0.000 abstract description 2
- 229910000639 Spring steel Inorganic materials 0.000 abstract 1
- 229910045601 alloy Inorganic materials 0.000 abstract 1
- 239000000956 alloy Substances 0.000 abstract 1
- 239000000919 ceramic Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 15
- 230000000052 comparative effect Effects 0.000 description 10
- 238000010586 diagram Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 229920003023 plastic Polymers 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- 239000011324 bead Substances 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
- 241000180587 Pinnidae Species 0.000 description 1
- JAWMENYCRQKKJY-UHFFFAOYSA-N [3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-ylmethyl)-1-oxa-2,8-diazaspiro[4.5]dec-2-en-8-yl]-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]methanone Chemical compound N1N=NC=2CN(CCC=21)CC1=NOC2(C1)CCN(CC2)C(=O)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F JAWMENYCRQKKJY-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000010951 brass Substances 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 1
- 239000004926 polymethyl methacrylate Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K1/00—Nibs; Writing-points
- B43K1/08—Nibs; Writing-points with ball points; Balls or ball beds
- B43K1/086—Nibs; Writing-points with ball points; Balls or ball beds with resilient supporting means for the ball, e.g. springs
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
Abstract
The present invention provides a kind of ink leakage proof spring pen head, ball pen and its ball pen, belongs to writing tool technology field.Nib provided by the invention is made of ball seat body, ball and spring；The front end of the ball seat body, which has, supplies the movable ball seat hole of the ball, forms multistage mesoporous as ink via by drilling inside ball seat body；Front end mesoporous is connected to ball seat hole by aperture.Spring is fixed on inside ball seat body by stuck point compression；Spring point withstands ball bottom, guarantees that ball is in decorative pearl on top of an official cap state in non-writing situation；The spring string diameter is 0.13-0.20mm, and diameter 0.9-1.1mm, spring overall length is 10.3-11.2mm, and spring pitch 0.21-0.38mm, spring force value is 0.10-0.30N/mm；The nib overall length is 11.0-12.0mm；The ball seat body is made of free cutting stainless steel, Alpaka or ledrite；The ball is hard alloy ball or ceramic ball；The spring is made of stainless steel spring steel wire.The present invention also provides the ball pen for including the ink leakage proof spring pen head and use the ball pen of this pen core.
Description
Technical field
The present invention relates to a kind of ink leakage proof spring pen head, ball pen and ball pens, belong to the technology neck of writing implement
Domain.
Background technique
Ball pen since the advent of the world brings great variety to the development of writing implement.From earliest ink ball pen, arrive
Later water-based ink ball pen and Neutral writing ink ball pen and present emulsion ink ball pen, with the demand in market
Variation, ball pen have the development of leap as the writing implement of a new generation, and consumer proposes the function and relevance grade of product
Higher requirement.
The problem of ball pen always exists ink leak in writing history.After the technological innovation by many years, often at present
The ink leak seen is divided into two kinds of situations: one is nib raise one's hat hang when, ink from the rim of a bowl seepage flow, accumulation, drop ink, cause ink leak
Pollution；Another kind is nib in by nib and display rack bottom (usually rigid plastics when swinging back display after doing well, showing
Material or smooth glass material) contact is bottomed out for a long time, continuous drainage is generated, ink leak, pollution are caused.Both ink leak situations mostly by
The use habit of user is bad and generates, and brings inconvenience to the use of ball pen.Therefore, it is necessary to design a kind of novel nib,
Even if user's use habit is bad, ink leak situation will not be generated, brings more free writing experience to user.
Summary of the invention
In order to solve the problems, such as that existing spring pen head generates ink leak, pollution when pen core suspension, nib bottom out, the present invention is logical
It crosses and designs novel nib structure, design novel spring, when suspension is closed seamless, and ink does not flow out when bottoming out, and will not generate and hold
Continue drainage and ink leak occurs, while not influencing writing experience, provides a kind of novel ink leakage proof spring pen head, pen core and its circle
Pearl pen.
The purpose of the present invention is what is realized by following scheme:
A kind of ink leakage proof spring pen head characterized by comprising
Ball seat body, the ball seat body is interior to be equipped with ball seat hole, aperture and mesoporous, and the mesoporous and the ball seat hole pass through aperture
It is connected；
Ball is set in the ball seat hole, and radial clearance of the ball in the ball seat hole is 5-12 μm, between axial direction
Gap is 12-25 μm；
Spring is set in the mesoporous, and one end of which is fixed in the ball seat body, close to nib tail portion, the other end is worn
It crosses the aperture and withstands the ball under compression；
The string diameter of the spring is 0.13-0.20mm, pitch 0.21-0.38mm, overall length 10.3-11.2mm, spring
Force value is 0.10-0.30N/mm, and the decrement of the spring in the mounted state is set as 1.50-3.00mm.
As a further improvement of the present invention, the string diameter of the spring (3) is 0.13-0.14mm, pitch 0.22-
0.26mm, spring force value are 0.10-0.15N/mm, and the decrement of the spring in the mounted state is set as 1.65-2.15mm.
As a further improvement of the present invention, the spring includes the big outer diameter of spring, active spring coils and spring spindle,
The big outer diameter of spring is fixed in the ball seat body, and the spring spindle withstands the ball.
As a further improvement of the present invention, the length of the spring spindle is 1.40-1.60mm, the active spring coils
Overall length be 8.0-9.0mm, distance of fixation position of the spring in the mesoporous away from the written tail portion is 1.8-
2.6mm。
As a further improvement of the present invention, the big outer diameter of the spring is located at the intracorporal Spring Card of the ball seat by multiple
Point is fixed in the ball seat body；Stuck point can be 3, be centrosymmetric, be evenly distributed on the inner wall of ball seat body, stuck point
Distance of the center away from written tail portion is 1.8-2.6mm, and the diameter at stuck point is 1.05-1.25mm, big outer less than spring
Diameter, to ensure that spring can be fixed on hollow interior by compression.
As a further improvement of the present invention, it extends radially to form multiple ink tanks on the outside of the aperture, the ink tank
Perforation depth be the aperture depth half, and be not connected to directly with the mesoporous.
As a further improvement of the present invention, the aperture of the mesoporous is subtracted step by step by written tail portion to written cephalad direction
It is small.
As a further improvement of the present invention, the spring is made of stainless steel.
As a further improvement of the present invention, which is characterized in that the ball seat body is by free cutting stainless steel, Alpaka or lead
Brass is made.
As a further improvement of the present invention, which is characterized in that the overall length of the nib is 11.0-12.0mm.
The invention also discloses a kind of ink leakage proof ball pens comprising pen core tube body, ink and as above any described
Spring pen head, wherein the spring pen head is set to the front end of the pen core tube body；The pen core tube body has can be with institute
The center cavity for stating the mesoporous connection of spring pen head, for accommodating the ink；The ink is Neutral writing ink, aqueous ink
Water or emulsion ink.
The invention also discloses a kind of ink leakage proof ball pens comprising ink leakage proof ball pen as described above, wherein
The ball pen is fixed or pressing.
The beneficial effect of the present invention compared with the existing technology is, existing nib is adjusted and designed, is solved
Nib ink leak problem when ball pen displays, while it is without exception to write without exception, written production and processing.
Detailed description of the invention
Fig. 1 is the ink leakage proof spring pen head appearance schematic diagram of embodiment 1.
Fig. 2 is the ink leakage proof spring pen head internal cross section schematic diagram of embodiment 1.
Fig. 3 is the enlarged view of the local A of Fig. 2.
Fig. 4 is spring schematic diagram (compressive state) used in the ink leakage proof spring pen head of embodiment 1.
Fig. 5 is spring schematic diagram (nature) used in the ink leakage proof spring pen head of embodiment 1.
Fig. 6 is equipped with the schematic diagram of the ink leakage proof ball pen of ink leakage proof spring pen head.
In figure:
1- ball seat body；Outer circle after 11-；12- outer circle；13- male cone (strobilus masculinus)；14- closing in section；15- spring stuck point；16- ball seat hole；
17- mesoporous；18- aperture；19- the rim of a bowl；110- ink tank；△ H- axial gap；2- ball；Ball position (dotted line) when the 2a- decorative pearl on top of an official cap；
Ball position (solid line) when 2b- compression bead；3- spring；The big outer diameter of 31- spring；32- active spring coils；33- spring spindle；4- pen core
Tube body.
Specific embodiment
The exemplary embodiments for embodying feature of present invention and advantage will describe in detail in the following description.It should be understood that this
Invention can have various change in different embodiments, neither depart from the scope of the present invention, and explanation therein and figure
Show and is inherently illustrated as being used, rather than to limit the present invention.
Embodiment 1
Embodiment 1 provides a kind of ink leakage proof spring pen head.Referring to figs. 1 to Fig. 5, nib includes ball seat body 1, ball 2 and bullet
Spring 3.The external shape of ball seat be it is bullet-shaped, be divided into rear outer circle 11, outer circle 12, male cone (strobilus masculinus) 13 and closing in section 14；Afterwards inside outer circle 11
Equipped with the equally distributed spring stuck point 15 of 3 circumferential directions, it to be used for fixed spring 3.Ball seat body uses Vickers hardness 240-260HV, line
The free cutting stainless steel wire rod machining of diameter φ 2.3mm forms.
It is further described written internal structure, is had inside 1 front end of ball seat body for the movable ball seat hole 16 of ball 2；Ball seat
Multistage mesoporous 17 is formed as ink via by drilling inside the middle rear end of body 1, the mesoporous close to nib rear end be aperture most
Big mesoporous, the mesoporous close to ball seat hole 16 (written front end) are the smallest mesoporous in aperture, and the aperture of mesoporous is from back to front step by step
Reduce；Mesoporous 17 is connected with ball seat hole 16 by aperture 18, extends radially to form multiple ink tanks 110 on the outside of aperture 18,
The perforation depth of ink tank is the half of the depth of aperture.
Spring 3 divides for the big outer diameter 31 of spring, active spring coils 32 and 33 3 sections of spring spindle；Spring 3 is fixed on by compression
In ball seat body rear end mesoporous 17, the big outer diameter 31 of spring is fixed by spring stuck point 15, and spring spindle 33 then passes through aperture 18 and withstands on
The bottom of ball 2, spring 3 are stainless steel material.Spring 3 makes ball in non-writing state by the compression of active spring coils 32
Pearl 2 is in decorative pearl on top of an official cap state 2a.
The enlarged drawing in ball seat hole 16 as shown in figure 3, ball 2 can carry out small range activity along axial in ball seat hole 1,
Maximum range of activities are that the numerical value of axial gap △ H, △ H are 20 μm, relatively conventional nib less than normal 33%.When non-writing state, ball
Pearl 2 is in decorative pearl on top of an official cap state 2a by 3 elastic force of spring, and the rim of a bowl 19 guarantees that ink will not flow out in air-tight state；And in the state of writing,
Ball 2 bears to write pressure top rebound spring 3, and ball is in compression bead state 2b at this time, and the rim of a bowl 19 guarantees that ink is suitable in open state
Benefit outflow, to normally write.
The written overall length containing ball of the present embodiment is 11.55mm, wherein ball diameter is 0.5mm, axial gap is 20 μ
M, radial clearance is 8-12 μm, spring string diameter is 0.14mm, spring diameter 1.0mm, spring overall length are 10.5mm, uncompressed state
Pitch be 0.23mm, coil quantity is 36 circles, spring force value is 0.13N/mm, the center of spring stuck point 15 is apart from pen
The tail end distance of outer circle 11 is 2.2mm after head.
In the present embodiment, decrement of the spring in nib is x, and written overall length is L0, spring overall length is L1, spring stuck point
Position is L2, ball diameter D, spring force value is k, then x=L1-(L0-L2- D)=10.5- (11.55-2.2-0.5)=
1.65mm, at this time spring force F=k*x=0.13*1.65=0.215N；Since the gravity of conventional knock-type gel ink pen is 0.1-
0.15N is less than spring force, and ball is in decorative pearl on top of an official cap state in the case.
By measurement, the nib of the present embodiment, which will not generate, bottoms out ink leak, and writing is without exception, and nib is being produced and processed
When it is also without exception.
Ink leak compliance test result method of the invention is as follows: the present embodiment nib being packed into finished product ballpoint pen shell, through writing
Afterwards, nib keeps exposing state, and vertical hanging is on PMMA plastic processing frame, and nib is directly contacted with plastic processing frame bottom, plastic processing frame bottom
Portion is transparent smooth flat.
The nib of embodiment 2-6 and comparative example 1-8 is constituted to be substantially the same with embodiment 1, but the spring overall length of nib, spring
Pitch, spring force value and decrement etc. are different, shown in table 1 specific as follows.
Table 1
Test result is as follows for each embodiment and comparative example shown in table 2.
Table 2
| Serial number | Processing characteristics | Bottom out ink leak effect | Application performance |
| Embodiment 1 | It processes without exception | Ink leak 0% | It is without exception |
| Embodiment 2 | It processes without exception | Ink leak 0% | It is without exception |
| Embodiment 3 | It processes without exception | Ink leak 0% | It is without exception |
| Embodiment 4 | It processes without exception | Ink leak 0% | It is without exception |
| Embodiment 5 | It processes without exception | Ink leak 0% | It is without exception |
| Embodiment 6 | It processes without exception | Ink leak 0% | It is without exception |
| Comparative example 1 | It processes without exception | Ink leak 100% | It is without exception |
| Comparative example 2 | It processes without exception | Ink leak 0% | It writes and jumps pearl |
| Comparative example 3 | It processes without exception | Ink leak 10% | It is without exception |
| Comparative example 4 | Spring blanking is difficult | Ink leak 0% | It is without exception |
| Comparative example 5 | It processes without exception | Ink leak 40% | It is without exception |
| Comparative example 6 | Spring gets stuck, connects | Ink leak 0% | It is without exception |
| Comparative example 7 | It processes without exception | Ink leak 90% | It is without exception |
| Comparative example 8 | It processes without exception | Ink leak 0% | It writes laborious |
It can be seen that nib of the invention with preferable ink leakage proof effect in conjunction with the test data of Tables 1 and 2, and
It writes and processes and is without exception.
Embodiment 7
A kind of ball pen with ink leakage proof ball pen head, uses nib described in embodiment 1, as shown in figures 1 to 6, circle
Pearl pen includes penholder 5, presses and press first 7 and the pen core in penholder, and pen core composition has pen core tube body 4, is located at pen core tube body 4
Interior Neutral writing ink (not shown) and spring pen head described in embodiment 1.Spring pen head is set to the front end of pen core tube body 4, pen
It is center cavity inside core pipe body 4, can be connected with the mesoporous in spring pen head, make ink from center Cavity Flow to spring pen
In head.
Above embodiments are used for illustrative purposes only, only to spirit of that invention for example, rather than to of the invention
Limitation.Correlative technology field personnel without departing from the spirit and scope of the present invention, can modify, change or substitute,
But all equivalent technical solutions do not deviate from the spirit of the invention, and should all be included in the protection scope of the present invention.
Claims (12)
1. a kind of ink leakage proof spring pen head characterized by comprising
Ball seat body (1), is equipped with ball seat hole (16), aperture (18) and mesoporous (17) in the ball seat body (1), the mesoporous (17) and
The ball seat hole (16) is connected by aperture (18)；
Ball (2) is set in the ball seat hole (16), and radial clearance of the ball (2) in the ball seat hole (16) is 5-
12 μm, axial gap is 12-25 μm；
Spring (3) is set in the mesoporous (17), and one end of which is fixed in the ball seat body (1), close nib tail portion is another
One end passes through the aperture (18) and withstands the ball (2) under compression；
The string diameter of the spring (3) is 0.13-0.20mm, pitch 0.21-0.38mm, overall length 10.3-11.2mm, spring force
Value is 0.10-0.30N/mm, and the decrement of the spring in the mounted state is set as 1.50-3.00mm.
2. ink leakage proof spring pen head according to claim 1, which is characterized in that the string diameter of the spring (3) is 0.13-
0.14mm, pitch 0.22-0.26mm, spring force value are 0.10-0.15N/mm, the decrement of the spring in the mounted state
It is set as 1.65-2.15mm.
3. ink leakage proof spring pen head according to claim 1, which is characterized in that the spring (3) includes that spring is outer greatly
Diameter (31), active spring coils (32) and spring spindle (33), the big outer diameter of spring is fixed in the ball seat body (1), described
Spring spindle (33) withstands the ball (2).
4. ink leakage proof spring pen head according to claim 3, which is characterized in that the length of the spring spindle (33) is
The overall length of 1.40-1.60mm, the active spring coils (32) are 8.0-9.0mm, and the spring (3) is in the mesoporous (17)
Distance of the fixed position away from the written tail portion is 1.8-2.6mm.
5. ink leakage proof spring pen head according to claim 4, which is characterized in that the big outer diameter of spring (31) passes through multiple
Spring stuck point (15) in the ball seat body (1) is fixed in the ball seat body (1), the diameter of the spring stuck point (15)
For 1.05-1.25mm.
6. ink leakage proof spring pen head according to claim 1, which is characterized in that radial on the outside of the aperture (18) to prolong
Stretch to be formed multiple ink tanks (110), the perforation depth of the ink tank (110) is the half of the depth of the aperture (18), and with institute
Mesoporous (17) is stated not to be connected to directly.
7. ink leakage proof spring pen head according to claim 1, which is characterized in that press written tail in the aperture of the mesoporous (17)
Portion to written cephalad direction reduces step by step.
8. ink leakage proof spring pen head according to claim 1, which is characterized in that the spring (3) is made of stainless steel.
9. ink leakage proof spring pen head according to claim 1, which is characterized in that the ball seat body (1) is stainless by Cutting free
Steel, Alpaka or ledrite are made.
10. ink leakage proof spring pen head according to claim 1, which is characterized in that the overall length of the nib is 11.0-
12.0mm。
11. a kind of ink leakage proof ball pen, which is characterized in that including pen core tube body, ink and according to claim 1 in 10
Described in any item spring pen heads, wherein the spring pen head is set to the front end of the pen core tube body；The pen core tube body tool
There is the center cavity that can be connected to the mesoporous of the spring pen head, for accommodating the ink；The ink is neutrality
Ink, water-based ink or emulsion ink.
12. a kind of ink leakage proof ball pen, which is characterized in that including ink leakage proof ball pen as claimed in claim 11,
Described in ball pen be it is fixed or pressing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666128.4A CN110239256B (en) | 2019-07-23 | 2019-07-23 | Ink leakage-proof spring pen point, ball pen refill and ball pen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910666128.4A CN110239256B (en) | 2019-07-23 | 2019-07-23 | Ink leakage-proof spring pen point, ball pen refill and ball pen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110239256A true CN110239256A (en) | 2019-09-17 |
| CN110239256B CN110239256B (en) | 2024-04-12 |
Family
ID=67893246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910666128.4A Active CN110239256B (en) | 2019-07-23 | 2019-07-23 | Ink leakage-proof spring pen point, ball pen refill and ball pen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110239256B (en) |
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| CN1181037A (en) * | 1995-12-19 | 1998-05-06 | 株式会社百乐 | Ball-point pen refill and method for manufacturing the same |
| JPH10181279A (en) * | 1996-12-25 | 1998-07-07 | Mitsubishi Pencil Co Ltd | Ball point pen |
| CN201376405Y (en) * | 2009-03-20 | 2010-01-06 | 林大喜 | Stainless steel superfine full-needle tube elastic pen point |
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| CN109318620A (en) * | 2018-11-02 | 2019-02-12 | 上海晨光文具股份有限公司 | Nib, pen core and press-type pen with the nib |
| CN210234470U (en) * | 2019-07-23 | 2020-04-03 | 上海晨光文具股份有限公司 | Ink leakage prevention spring pen point, ball pen refill and ball pen |
-
2019
- 2019-07-23 CN CN201910666128.4A patent/CN110239256B/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1181037A (en) * | 1995-12-19 | 1998-05-06 | 株式会社百乐 | Ball-point pen refill and method for manufacturing the same |
| JPH1016473A (en) * | 1996-06-27 | 1998-01-20 | Pilot Corp:The | Ballpoint pen refill |
| JPH10181279A (en) * | 1996-12-25 | 1998-07-07 | Mitsubishi Pencil Co Ltd | Ball point pen |
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| Publication number | Publication date |
|---|---|
| CN110239256B (en) | 2024-04-12 |
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