CN105599131B - Self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special - Google Patents
Self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special Download PDFInfo
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- CN105599131B CN105599131B CN201610124355.0A CN201610124355A CN105599131B CN 105599131 B CN105599131 B CN 105599131B CN 201610124355 A CN201610124355 A CN 201610124355A CN 105599131 B CN105599131 B CN 105599131B
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- CN
- China
- Prior art keywords
- plate
- hole clipping
- angled intersection
- reinforcing bar
- cushion block
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/563—Gaskets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/02—Methods or machines specially adapted for the production of tubular articles by casting into moulds
- B28B21/04—Methods or machines specially adapted for the production of tubular articles by casting into moulds by simple casting, the material being neither positively compacted nor forcibly fed
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B21/00—Methods or machines specially adapted for the production of tubular articles
- B28B21/56—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts
- B28B21/60—Methods or machines specially adapted for the production of tubular articles incorporating reinforcements or inserts prestressed reinforcements
Abstract
The invention discloses a kind of self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special, including right-angled intersection plate, right-angled intersection plate forms first to fourth plate face by boundary of its infall；The outer end of first to fourth plate face is integrally formed with downwards triangle connecting plate, is followed successively by first to fourth connecting plate；First to fourth connecting plate is integrally formed with downwards rectangular hole clipping plate, is followed successively by first to fourth hole clipping plate；It is equipped with hole clipping on first to fourth hole clipping plate, the horn mouth of hole clipping is communicated with the hole clipping plate below hole clipping, horn mouth is up-narrow and down-wide；First and the 3rd hole clipping plate height be more than second and the 4th hole clipping plate height.The present invention easily can be stuck at the right-angled intersection of reinforcing bar, without colligation, be can guarantee that cross one another two reinforcing bars are just mutually perpendicular to, improved the degree that is connected firmly of cushion block and reinforcing bar, avoid cushion block displacement, reliable using process safety.The present invention is more light, and structural strength is preferable.
Description
Technical field
The present invention relates to the right-angled intersection vertically placed in technical field of buildings, more particularly to armored concrete prefabricated pipeline
Cover to reinforcement control, the fixation of cushion block.
Background technology
Reinforced concrete pipiline is as a kind of technically reliable, easy to use, caliber is big, large carrying capacity, suitable for complexity
The pipeline of a variety of advantages such as underground environment, has been widely used in the underground structures such as the sewage, rainwater, subterranean tunnel in city
In, existing reinforced concrete pipiline is typically prefabricated using batch production, is transported to job site after the completion of prefabricated and is installed.
Need to use skeleton of the right-angled intersection reinforcing bar as pipeline during pipe prefabrication, these reinforcing bars are overall on horizontal cross-section
In annular.It is typically so different with cage bar, secondary muscle in order to distinguish two different reinforcing bars at the right-angled intersection of reinforcing bar
Title makes a distinction.
Often occurs pipeline reinforcing bar unprotect layer during pipe prefabrication, protective layer does not reach design requirement, reinforcing bar pad
The problems such as block is exposed, cushion block banding fixed difficulty.Traditional cushion block generally requires supporting iron wire or other rope banding fixeds
In on reinforcing bar, and it is general only fix a reinforcing bar, it is fixed after easily off normal, banding fixed it is also relatively difficult, can not solve such
Problem.
In order to ensure the protective layer of reinforcing bar reach design requirement, improve pipeline the quality of production, facilitate tying up for steel bar spacer
Use quality that is fixed, improving cushion block is pricked, we have developed " self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special ",
The use of the cushion block can effectively solve cushion block colligation, fixed difficult, off normal after cushion block is pressurized, installation difficulty, cushion block lashing location
Easily the problems such as error.
The content of the invention
It is an object of the invention to provide a kind of pad for the right-angled intersection point that reinforcing bar can be conveniently fixed in without colligation
Block, this cushion block can ensure the connection angle of reinforcing bar and the degree that is connected firmly at right-angled intersection point, while in use will not
The person is damaged, not polluted the environment.
To solve the above problems, the self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special of the present invention includes right-angled intersection
Plate, right-angled intersection plate form four plate faces by boundary of its infall, are followed successively by the first plate face, the second plate face, the 3rd plate face and the
Four plate faces, the angle between two neighboring plate face is 90 degree；The outer end of first to fourth plate face is integrally formed with downwards narrow
Lower wide triangle connecting plate, it is followed successively by the first connecting plate, the second connecting plate, the 3rd connecting plate and the 4th connecting plate；First to
4th connecting plate is integrally formed with downwards rectangular hole clipping plate, is followed successively by the first hole clipping plate, the second hole clipping plate, the 3rd hole clipping plate
With the 4th hole clipping plate；It is equipped with hole clipping on first to fourth hole clipping plate, the loudspeaker of hole clipping is communicated with the hole clipping plate below hole clipping
Mouth, horn mouth are up-narrow and down-wide；First is identical with the height of the 3rd hole clipping plate, and second is identical with the height of the 4th hole clipping plate；The
The height of one and the 3rd hole clipping plate be more than second and the 4th hole clipping plate height, the first hole clipping plate and the first connecting plate formation first
Long limb, the 3rd hole clipping plate and the 3rd connecting plate form the second long limb；Second hole clipping plate and the second connecting plate form the first manomelia, the
Four hole clipping plates and the 4th connecting plate form the second manomelia.
The top of the right-angled intersection plate is curved.
The top of right-angled intersection plate and the of length no more than right-angled intersection plate of arc contact surface for the template for pouring prefabricated pipeline
1.5 times of thickness of slab, the part that the top of the right-angled intersection plate is used to be in contact with pouring the template of prefabricated pipeline are provided with sawtooth
Groove, the depth and width of sawtooth are all equal to the thickness of slab of 1/2 right-angled intersection plate.
The right-angled intersection plate, first to fourth connecting plate and the first to fourth hole clipping plate use plastics material
Expect one-piece casting shaping.
Four inner corner trims of the right-angled intersection plate crossover sites are equipped with circular arc chamfering structure, the radius of the circular arc chamfering
Equal to the thickness of slab of right-angled intersection plate；The thickness of first to fourth hole clipping plate is identical with the thickness of slab of right-angled intersection plate.
The present invention has the advantage that：
Common technology of the cushion block banding fixed on reinforcing bar was thought by iron wire or rope in the past 1. the present invention has jumped out
Road, easily it can be stuck in by horn mouth and hole clipping at the right-angled intersection of reinforcing bar.Hole clipping on first and second long limbs is claimed
For long limb hole clipping, the hole clipping on the first and second manomelias is referred to as manomelia hole clipping.During use in right-angled intersection reinforcing bar two mutually
Vertical reinforcing bar is stuck in long limb hole clipping and manomelia hole clipping.Because long limb and manomelia are in 90 degree of arranged crosswises, therefore cushion block
It can ensure that cross one another two reinforcing bars are exactly 90 degree and are mutually perpendicular to after installing, ensure that connection angle.The present invention exists
Be stuck in use on two reinforcing bars in right-angled intersection, compared in the past only by the practice of the cushion block colligation on a reinforcing bar also significantly
The degree that is connected firmly of cushion block and reinforcing bar is improved, avoids cushion block from being subjected to displacement after fixing.
2. because the present invention is made of plastics, therefore avoids and stabbed work people using what iron wire assembling reinforcement was brought in the past
It is the problem of member, reliable using process safety.The present invention will not form building waste during use, not pollute the environment.
3. structural strength of the present invention is good, and overall more light, it is easy to carry manually or hands over cushion block entire card in cross
At the right-angled intersection for pitching reinforcing bar.
Brief description of the drawings
Fig. 1 is the overlooking the structure diagram of the present invention；
Fig. 2 is Fig. 1 A-A direction views；
Fig. 3 is Fig. 1 B-B direction view.
Embodiment
The present invention is mainly suitable for the reinforcing bar that fixed diameter is 6mm-20mm, steel of the present embodiment using fixed diameter as 8mm
In case of muscle, the size of each structure of self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special is described, physical dimension can root
Adjusted accordingly according to the difference of bar diameter size.
As shown in Figure 1, Figure 2 and Figure 3, self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special of the invention includes cross
Cross board, right-angled intersection plate form four plate faces by boundary of its infall, are followed successively by the first plate face 1, the second plate face 2, the 3rd plate
The plate face 4 of face 3 and the 4th, the angle α between two neighboring plate face is 90 degree；The outer end of first to fourth plate face 1,2,3,4 is equal
Up-narrow and down-wide isosceles triangle connecting plate is integrally formed with downwards, is followed successively by the first connecting plate 5, the connection of the second connecting plate the 6, the 3rd
The connecting plate 8 of plate 7 and the 4th；First to fourth connecting plate 5,6,7,8 is integrally formed with downwards rectangular hole clipping plate, is followed successively by
One hole clipping plate 11, the second hole clipping plate 12, the 3rd hole clipping plate 13 and the 4th hole clipping plate 14；First to fourth hole clipping plate 11,12,13,
Be equipped with hole clipping 9 on 14, be communicated with the horn mouth 10 of hole clipping 9 on the hole clipping plate of the lower section of hole clipping 9, horn mouth 10 it is up-narrow and down-wide with
Reinforcing bar is facilitated to be caught in by horn mouth 10 in hole clipping 9；First is identical with the height of the 3rd hole clipping plate 11,13, and second and the 4th blocks
The height of orifice plate 12,14 is identical；First and the 3rd hole clipping plate 11,13 height be more than second and the 4th hole clipping plate 12,14 height
Degree, the first hole clipping plate 11 and the first connecting plate 5 form the first long limb, and the 3rd hole clipping plate 13 and the 3rd connecting plate 7 form the second length
Limb；Second hole clipping plate 12 and the second connecting plate 6 form the first manomelia, and the 4th hole clipping plate 14 and the formation second of the 4th connecting plate 8 are short
Limb.The height of each connecting plate is more than or equal to the 1/3 of corresponding hole clipping plate height.
First and the 3rd the height of hole clipping plate 11,13 be equal to outside bar diameter and added plus the diameters of institute's fixed steel bars
The thickness of slab of 1 right-angled intersection plate；The equal length of first to fourth connecting plate 5,6,7,8 is simultaneously all equal to second and the 4th hole clipping plate
12nd, 14 height；
The top of the right-angled intersection plate is curved, to be used when making the top of right-angled intersection plate with pouring prefabricated pipeline
Template forming face contact.The arc contact surface of template of the top of right-angled intersection plate with pouring prefabricated pipeline it is of length no more than
1.5 times of right-angled intersection plate thickness of slab, by the radius for controlling right-angled intersection plate top curve, it can be ensured that this point.Described ten
The part that the top of word cross board is used to be in contact with pouring the template of prefabricated pipeline is provided with serrated slot, the depth and width of sawtooth
All it is equal to the thickness of slab of 1/2 right-angled intersection plate.Serrated slot is conventional structure, not shown.
First to fourth connecting plate 5,6,7,8 is in up-narrow and down-wide triangle, both material savings, and does not reduce knot
Structure intensity.The right-angled intersection plate, first to fourth connecting plate 5,6,7,8 and the first to fourth hole clipping plate 11,
12nd, 13,14 using the shaping of high strength plastic materials one-piece casting.Structural strength of the present invention is good, and overall more light, is easy to hand
Move and carry or by cushion block entire card at the right-angled intersection of right-angled intersection plate.
Circular arc chamfering structure is equipped with four inner corner trims 15 of the right-angled intersection plate crossover sites, the circular arc chamfering
Radius is equal to the thickness of slab of right-angled intersection plate.The structural strength of the present invention, more difficult deformation in use can so be strengthened.It is excellent
After being selected in formed by integrally casting shaping, then four inner corner trims of right-angled intersection plate crossover sites are trimmed to circular arc chamfering structure；First to
The thickness of 4th hole clipping plate 11,12,13,14 is identical with the thickness of slab of right-angled intersection plate, thick 3-5 millimeters, right-angled intersection plate
Length is more than or equal to 30 millimeters.The length of first to fourth hole clipping plate 11,12,13,14 is equal to 1 thickness of slab length+fix
The diameter+1 of reinforcing bar ~ 2mm+1 thickness of slab length, and no more than the length of 2/3 right-angled intersection plate.The height of right-angled intersection plate is with setting
It is consistent to count desired protective layer thickness, so ensures that the thickness of protective layer meets design requirement.Hole clipping plate at manomelia（I.e.
Second and the 4th hole clipping plate 12,14）Height be equal to+1 thickness of slab of diameter height of institute's fixed steel bars；Hole clipping plate at long limb（I.e.
First and the 3rd hole clipping plate 11,13）Highly it is equal to+1 thickness of slab of diameter of outside bar diameter+institute's fixed steel bars；First to
The height of four connecting plates 5,6,7,8 be equal to second and the 4th hole clipping plate 12,14 height.The diameter of hole clipping 9 should be consolidated than it
It is fixed（It is caught in it）The big 1mm-2mm of reinforcing bar.
Hole clipping 9 on first and second long limbs is referred to as long limb hole clipping, the hole clipping 9 on the first and second manomelias is referred to as short
Limb hole clipping.Two mutually perpendicular reinforcing bars are stuck in long limb hole clipping and manomelia hole clipping in right-angled intersection reinforcing bar during use.I.e.
First and the 3rd hole clipping 9 on hole clipping plate 11,13 be stuck on one article of reinforcing bar, second and the 4th hole clipping 9 on hole clipping plate 12,14 block
On another reinforcing bar.When reinforcing bar is caught in into hole clipping 9, corresponding horn mouth 10 is directed at reinforcing bar, and by the present invention to reinforcing bar side
To pressing, reinforcing bar is set to enter hole clipping 9 by horn mouth 10.Because the present invention is made of plastics, there is certain elasticity, therefore energy
It is enough that reinforcing bar is easily caught in hole clipping 9.
The preparation method of the present invention in turn includes the following steps：
（1）Plastic plate selection；
（2）Determine size；
（3）Mould is made, is processed；
（4）It is transported to onsite application.During processing, it should try one's best and accomplish size qualification, forbid to change predetermined altitude and the chi of hole clipping 9
It is very little.
Installation, processing points for attention：Firmly yardstick is should be noted that during installation, avoids damaging cushion block, while should ensure that cushion block
Hole clipping 9 combined closely with reinforcing bar.
Research and develop explanation：
The applicant does not reach design requirement, steel in proposition solution reinforced concrete pipiline reinforcing bar unprotect layer, protective layer
During the problems such as muscle cushion block is exposed, cushion block banding fixed difficulty, jumps out and always improved tie with reinforcing bar quality in the past, how to tie up
Traditional modes of thinking such as cushion block, the resistance to compression resist displacement for how improving cushion block are tied, cushion block itself is employed and is connected with reinforcing bar
Mode, solve the problems, such as that cushion block colligation is difficult, easy displacement.
Using the cushion block of the present invention, by being reliably connected for cushion block itself and reinforcing bar, reduce the difficulty of installation, improve
The self stability of cushion block and the protective layer quality of framework of steel reinforcement.
One of main innovation point of the present invention is that long limb hole clipping and manomelia hole clipping block master at reinforcing bar right-angled intersection respectively
Muscle and time muscle, right-angled intersection plate play a part of fixed protective layer, form dual fail-safe, and check and balance, and have both reached guarantee and have protected
The purpose of covering thickness, while also provide help for the homeostasis of cushion block.
Another innovative point of the present invention is by setting circular hole clipping hole 9 by the hole clipping 9 in reinforced binding to cushion block
It is interior, the connection of reinforcing bar and cushion block had both been ensure that, also limit the displacement of cushion block, while it also avoid conventional cushion block needs and reinforcing bar
Carry out the tedious steps of the secondary connections such as colligation.
Another innovative point of the present invention is：By setting horn mouth 10 in the entrance of hole clipping 9, reinforcing bar entrance is facilitated
Circular hole clipping hole 9, the installation for facilitating the present invention.
Another innovative point of the present invention is：The material of cushion block employs highstrenghtpiston, both meets cushion block and steel
Muscle connection request cushion block material itself has certain retractility, facilitates making, transport and storage again.
Above example is only to illustrative and not limiting technical scheme, although with reference to above-described embodiment to this hair
It is bright to be described in detail, it will be understood by those within the art that：Still the present invention can be modified or be waited
With replacing, any modification or partial replacement without departing from the spirit and scope of the present invention, it all should cover the power in the present invention
Among sharp claimed range.
Claims (3)
1. self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special, it is characterised in that：Including right-angled intersection plate, right-angled intersection plate
Four plate faces are formed by boundary of its infall, are followed successively by the first plate face, the second plate face, the 3rd plate face and the 4th plate face, adjacent two
Angle between individual plate face is 90 degree；The outer end of first to fourth plate face is integrally formed with downwards up-narrow and down-wide triangle and connected
Fishplate bar, it is followed successively by the first connecting plate, the second connecting plate, the 3rd connecting plate and the 4th connecting plate；First to fourth connecting plate to
Under be integrally formed with rectangular hole clipping plate, be followed successively by the first hole clipping plate, the second hole clipping plate, the 3rd hole clipping plate and the 4th hole clipping plate；
It is equipped with hole clipping on first to fourth hole clipping plate, is communicated with the horn mouth of hole clipping on the hole clipping plate below hole clipping, on horn mouth
Narrow lower width；First is identical with the height of the 3rd hole clipping plate, and second is identical with the height of the 4th hole clipping plate；First and the 3rd hole clipping plate
Height be more than second and the 4th hole clipping plate height, the first hole clipping plate and the first connecting plate the first long limb of formation, the 3rd hole clipping
Plate and the 3rd connecting plate form the second long limb；Second hole clipping plate and the second connecting plate form the first manomelia, the 4th hole clipping plate and the
Four connecting plates form the second manomelia；
The top of the right-angled intersection plate is curved；
The top of right-angled intersection plate and the of length no more than right-angled intersection plate thickness of slab of arc contact surface for the template for pouring prefabricated pipeline
1.5 times, the part that the top of the right-angled intersection plate is used to be in contact with pouring the template of prefabricated pipeline is provided with serrated slot, saw
The depth and width of tooth are all equal to the thickness of slab of 1/2 right-angled intersection plate.
2. self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special according to claim 1, it is characterised in that：Described ten
Word cross board, first to fourth connecting plate and the first to fourth hole clipping plate using plastic material one-piece casting into
Type.
3. the self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special according to any one of claim 1 or 2, its feature
It is：Four inner corner trims of the right-angled intersection plate crossover sites are equipped with circular arc chamfering structure, the radius of the circular arc chamfering etc.
In the thickness of slab of right-angled intersection plate；The thickness of first to fourth hole clipping plate is identical with the thickness of slab of right-angled intersection plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124355.0A CN105599131B (en) | 2016-03-07 | 2016-03-07 | Self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610124355.0A CN105599131B (en) | 2016-03-07 | 2016-03-07 | Self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105599131A CN105599131A (en) | 2016-05-25 |
| CN105599131B true CN105599131B (en) | 2017-12-26 |
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| CN201610124355.0A Active CN105599131B (en) | 2016-03-07 | 2016-03-07 | Self-stabilising prefabricated pipeline right-angled intersection reinforcing bar cushion block special |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108104379A (en) * | 2018-02-09 | 2018-06-01 | 唐山市天泽专用焊接设备有限公司 | The protective layer stent of bar-mat reinforcement built in pipe of cement, cement electric pole or steel reinforcement cage |
| CN110258961A (en) * | 2019-07-12 | 2019-09-20 | 中冶天工集团天津有限公司 | A kind of pitch control unit and method of plane reinforcement installation |
| CN111558675A (en) * | 2020-05-15 | 2020-08-21 | 合肥皖兴建设工程有限公司 | Manufacturing process of assembled PC prefabricated part steel reinforcement framework |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432285Y (en) * | 2000-06-17 | 2001-05-30 | 史开宇 | Industrial and civil buildign construction concrete protective layer cushion block |
| KR100855150B1 (en) * | 2007-05-09 | 2008-08-28 | 심재덕 | A concrete block for civil engineering |
| CN201661013U (en) * | 2010-04-16 | 2010-12-01 | 中建三局第一建设工程有限责任公司 | Binding-free self-positioning steel bar spacer block |
| CN202090522U (en) * | 2011-05-23 | 2011-12-28 | 中国新兴保信建设总公司 | Reinforcing bar protective layer cushion block for building |
| CN205394807U (en) * | 2016-03-07 | 2016-07-27 | 郑州市市政工程总公司 | From special cushion of prefabricated pipeline cross reinforcing bar of steady type |
-
2016
- 2016-03-07 CN CN201610124355.0A patent/CN105599131B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2432285Y (en) * | 2000-06-17 | 2001-05-30 | 史开宇 | Industrial and civil buildign construction concrete protective layer cushion block |
| KR100855150B1 (en) * | 2007-05-09 | 2008-08-28 | 심재덕 | A concrete block for civil engineering |
| CN201661013U (en) * | 2010-04-16 | 2010-12-01 | 中建三局第一建设工程有限责任公司 | Binding-free self-positioning steel bar spacer block |
| CN202090522U (en) * | 2011-05-23 | 2011-12-28 | 中国新兴保信建设总公司 | Reinforcing bar protective layer cushion block for building |
| CN205394807U (en) * | 2016-03-07 | 2016-07-27 | 郑州市市政工程总公司 | From special cushion of prefabricated pipeline cross reinforcing bar of steady type |
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| Publication number | Publication date |
|---|---|
| CN105599131A (en) | 2016-05-25 |
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Inventor after: Guang Junwei Inventor after: Wang Yujie Inventor after: Duo Huayong Inventor after: Lan Hebin Inventor after: Yang Jie Inventor after: Yang Chenghai Inventor after: Feng Linwei Inventor after: Li Qingshu Inventor after: Wang Menghui Inventor after: Wang Dongzhu Inventor after: Qin Shanyong Inventor after: Wu Jidong Inventor after: Chu Bing Inventor after: Wang Gang Inventor after: Ma Xien Inventor after: Wang Mingyuan Inventor after: Zheng Libin Inventor after: Zhang Baojun Inventor after: Dai Lu Inventor after: Zheng Yanan Inventor after: Zhang Shuangmei Inventor after: Chen Bo Inventor before: Guang Junwei Inventor before: Wang Yujie Inventor before: Duo Huayong Inventor before: Lan Hebin Inventor before: Yang Jie Inventor before: Yang Chenghai Inventor before: Feng Linwei Inventor before: Li Qingshu Inventor before: Wang Menghui Inventor before: Wang Dongzhu Inventor before: Wu Jidong Inventor before: Wang Mingyuan Inventor before: Zheng Libin Inventor before: Zhang Baojun Inventor before: Dai Lu Inventor before: Zheng Yanan Inventor before: Zhang Shuangmei Inventor before: Chen Bo |