CN110239109A - The inspection equipment and the method for inspection of polyethylene tube welding line mass - Google Patents
The inspection equipment and the method for inspection of polyethylene tube welding line mass Download PDFInfo
- Publication number
- CN110239109A CN110239109A CN201810188283.5A CN201810188283A CN110239109A CN 110239109 A CN110239109 A CN 110239109A CN 201810188283 A CN201810188283 A CN 201810188283A CN 110239109 A CN110239109 A CN 110239109A
- Authority
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- China
- Prior art keywords
- oil cylinder
- polyethylene tube
- welding line
- line mass
- inspection
- 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.)
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Links
- 239000004698 Polyethylene Substances 0.000 title claims abstract description 59
- -1 polyethylene Polymers 0.000 title claims abstract description 59
- 229920000573 polyethylene Polymers 0.000 title claims abstract description 59
- 238000007689 inspection Methods 0.000 title claims abstract description 37
- 238000003466 welding Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 12
- 238000005336 cracking Methods 0.000 claims description 9
- 230000006835 compression Effects 0.000 claims description 7
- 238000007906 compression Methods 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 6
- 238000012360 testing method Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 3
- 229920003023 plastic Polymers 0.000 description 3
- 239000004033 plastic Substances 0.000 description 3
- 230000007423 decrease Effects 0.000 description 2
- 230000002706 hydrostatic effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010923 batch production Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000003032 molecular docking Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012797 qualification Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C65/00—Joining or sealing of preformed parts, e.g. welding of plastics materials; Apparatus therefor
- B29C65/82—Testing the joint
- B29C65/8207—Testing the joint by mechanical methods
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
- Lining Or Joining Of Plastics Or The Like (AREA)
Abstract
The present invention relates to polyethylene tube field more particularly to a kind of inspection equipment of polyethylene tube welding line mass.The present invention provides a kind of inspection equipment of polyethylene tube welding line mass, including skeleton, oil cylinder, oil pump station, electric cabinet and pressure-bearing platform.It is a pair of about the symmetrical oblique oil cylinder of vertical direction above pressure-bearing platform including being located at, the oblique oil cylinder and the angle of the upper surface are 45 degree, the piston rod end of the oblique oil cylinder is fixed with angular press section, which has the first compressive plane perpendicular to the upper surface and be parallel to the second compressive plane of the upper surface.The inspection equipment further includes the perpendicular oil cylinder perpendicular to the upper surface, and piston rod of the perpendicular oil cylinder has the third compressive plane for being parallel to the upper surface.The polyethylene tube quality test equipment can not only be applied to examine straight-through class pipe fitting, and mainly can apply to examine threeway class pipe fitting.
Description
Technical field
The present invention relates to polyethylene tube field more particularly to the inspection equipment and inspection of polyethylene tube welding line mass
Method.
Background technique
The temperature of front end plastics gradually decreases when plastics flow in a mold, due to temperature when two strands of front end plastics converge
Decline, docking location form a visual visible filament, referred to as weld bond, welded side seam, conjunction tree lace etc..It is more in injecting products
There are weld bond, weld bond will lead to product appearance defect, strength reduction.Especially polyethylene water supply, combustion gas pipe fitting, which belong to, holds
Pressure pipe part has strict requirements to intensity, and weld bond is its most weak place.
Currently the detection of polyethylene tube weld bond can not with the naked eye be judged, can only be judged using hydrostatic test,
The shortcomings of the prior art is that hydrostatic test takes long time and (needs 165 hours), and when testing result comes out, product is
Batch production comes out, if result is unqualified, scrap of the product amount is big.
Summary of the invention
It is an object of that present invention to provide a kind of inspection equipment of polyethylene tube welding line mass and the method for inspection, the equipment
With multifunctionality, it can be applied to straight-through class and threeway class pipe fitting, can effectively examine in time at polyethylene tube weld bond
Whether quality meets intensity requirement.
In order to achieve the above-mentioned advantages, the present invention provides a kind of inspection equipment of polyethylene tube welding line mass, including it is located at branch
Support a pair of about the symmetrical oblique oil cylinder of vertical direction above platform, the angle of the oblique oil cylinder and the upper surface is 45 degree,
The piston rod end of the oblique oil cylinder is fixed with angular press section, which has squeezes perpendicular to the first of the upper surface
Face and the second compressive plane for being parallel to the upper surface.
In one embodiment of the invention, the inspection equipment further includes the perpendicular oil cylinder perpendicular to the upper surface, should
The piston rod of perpendicular oil cylinder has the third compressive plane for being parallel to the upper surface.
In one embodiment of the invention, the inspection equipment further includes high for adjusting the support platform upper surface
The backing plate of degree.
In one embodiment of the invention, the oblique oil cylinder is equipped with position-limit mechanism, and the position-limit mechanism is for controlling this tiltedly
The moving range of the piston rod of oil cylinder.
In one embodiment of the invention, which includes the limit being connected and fixed with the piston rod of the oblique oil cylinder
Position bar, limit switch and controller, which is equipped with contact portion corresponding with trigger switch, when the piston rod of the oblique oil cylinder
Moving range it is excessive when, which triggers the limit switch, which controls the oblique oil cylinder and stop movement.
In one embodiment of the invention, the controller is connected with warning device, when the piston rod of the oblique oil cylinder
Moving range it is excessive when, the controller controls the warning device alarm.
In one embodiment of the invention, axisymmetrical of a pair of oblique oil cylinder about the perpendicular oil cylinder.
The present invention also provides a kind of methods of inspection of polyethylene tube welding line mass, comprising the following steps:
A, extruded polyethylene pipe fitting makes the deflection of polyethylene tube reach setting value；
B, observation and judge whether crack is brittle cracking at polyethylene tube weld bond；
C, judge whether polyethylene tube is qualified, if not brittle cracking, then polyethylene tube is qualified, otherwise unqualified.
In one embodiment of the invention, the step A includes:
A1, the height for adjusting support platform；
A2, the polyethylene tube of threeway shape is fixed in support platform；
A3, a pair of of vertical direction symmetrically the first connecting pin of oblique oil cylinder extruded polyethylene pipe fitting, second connection end are used
And third connecting pin, so that the deflection of the first connecting pin, second connection end and third connecting pin is reached setting value, this is tiltedly
The angle of the upper surface of oil cylinder and the support platform is 45 degree, and the piston rod end of the oblique oil cylinder is fixed with angular extruding
Portion, the angular press section have the first compressive plane perpendicular to the upper surface and are parallel to the second compressive plane of the upper surface.
In one embodiment of the invention, the setting value is 0.6 times to 0.7 times of polyethylene tube outer diameter.
In the inspection equipment and the method for inspection of polyethylene tube welding line mass of the invention, which has multi-functional
Property, it can be applied to straight-through class and threeway class pipe fitting, can solve other Simple hydraulic press can not be pressed onto asking in the middle part of threeway class pipe fitting
Topic, can effectively examine whether the quality at polyethylene tube weld bond meets intensity requirement in time.
Detailed description of the invention
Fig. 1 show the structural representation of the inspection equipment of the polyethylene tube welding line mass of first embodiment of the invention
Figure.
Fig. 2 show the cross-sectional view of the inspection equipment of the polyethylene tube welding line mass of Fig. 1.
Fig. 3 show the structural schematic diagram for examining unit check to lead directly to pipe fitting of the polyethylene tube welding line mass of Fig. 1.
Fig. 4 show the structural schematic diagram of the inspection unit check tee pipe fitting of the polyethylene tube welding line mass of Fig. 1.
Fig. 5 show the structural schematic diagram of the oblique oil cylinder of inspection equipment of Fig. 1.
Specific embodiment
It is of the invention to reach the technical means and efficacy that predetermined goal of the invention is taken further to illustrate, below in conjunction with
Attached drawing and preferred embodiment, to proposing specific embodiment according to the present invention.
Referring to Figure 1, a kind of inspection equipment of polyethylene tube welding line mass, including skeleton 1, oil cylinder 2, oil pump station 3,
Electric cabinet 4 and pressure-bearing platform 5.
Fig. 2 skeleton 1 is referred to using front and rear panel is made into respectively after the thick steel plate cutting of two monoliths, by internal several pieces of fixations
Plate 11 is welded to form major architectural.For fixing oil cylinder 2, oil pump station 3, electric cabinet 4 and pressure-bearing platform 5.The installation position of oil cylinder 2 is all
With taking among fixed plate 11 behind hole while being fastened with bail type and bolt type, larger pressure can be born；Oil cylinder 2 installs and uses spiral shell
Bolt fastening.Piston rod 21 passes through the circular hole 12 among fixed plate 11.
Oil cylinder 2 includes the oblique oil cylinder of perpendicular oil cylinder 6 and a pair of axisymmetrical about perpendicular oil cylinder 6 above pressure-bearing platform 5
7.The oblique oil cylinder 7 and the angle of the upper surface are 45 degree.21 end of piston rod of the oblique oil cylinder 7 is fixed with angular press section
24.The angular press section 24 has the first compressive plane 71 perpendicular to the upper surface and is parallel to the second compressive plane of the upper surface
72.Oil cylinder 2 controls the pushing of piston rod 21 or retracts.Oil pump station 3 connects three oil cylinders 2 by resistance to pressuring oil pipe, provides for oil cylinder 2
Kinetic energy.Electric cabinet 4 is used to control the advance and retreat of piston rod 21.
Pressure-bearing platform 5 includes pressure-bearing table top 51 and backing plate 52.Pressure-bearing table top 51 is parallel to the upper surface, and pressure-bearing table top 51 can be held
There is anti-skidding groove on immense pressure when being pushed, surface.Backing plate 52 is put on pressure-bearing table top 51, effect be increase height with
Just it can be pressed onto suitable height, there is anti-skidding groove on its surface of backing plate 52.The inspection of every polyethylene tube welding line mass
Equipment is equipped with several pieces of backing plates 52.
Fig. 3 is referred to, when needing to examine threeway class pipe fitting welding line mass.First detected threeway class pipe fitting is placed
In on pressure-bearing table top 51, if detected threeway class pipe fitting limited size when 21 length of cylinder piston rod, in pressure-bearing table top
Backing plate 52 is placed on 51, so that suitable height can be pressed onto.As shown, tiltedly the first compressive plane 71 and second of oil cylinder 7 squeezes
Face 72 is respectively parallel to the compression face of detected threeway class pipe fitting.First compressive plane 71 corresponds to the first connecting pin D1；Second squeezes
Pressure surface corresponds to second connection end D2；Pressure-bearing platform 5 corresponds to third connecting pin D3.Oil pump station 3, oil pump station 3 are started by electric cabinet 4 again
Oblique oil cylinder 7 is driven to start to flatten by resistance to pressuring oil pipe.The angular press section 24 in two sides can squeeze obliquely simultaneously, by pipe fitting flatten to
Few one third.Whether have brittle cracking situation, if there is brittle cracking, be considered as and " do not conform to if observed at welding suture in the process
Lattice ", if each port all without brittle cracking phenomenon when, be determined as " qualification ".Judgement terminates, by electric cabinet 4 by piston rod
21 rise reset.
A kind of method of inspection of polyethylene tube welding line mass, comprising the following steps:
A, extruded polyethylene pipe fitting makes the deflection of polyethylene tube reach setting value；
B, observation and judge whether crack is brittle cracking at polyethylene tube weld bond；
C, judge whether polyethylene tube is qualified, if not brittle cracking, then polyethylene tube is qualified, otherwise unqualified.
The step A further include:
A1, the height for adjusting support platform；
A2, the polyethylene tube of threeway shape is fixed in support platform；
A3, using a pair of of vertical direction, symmetrically the first connecting pin D1 of oblique 7 extruded polyethylene pipe fitting of oil cylinder, second are connected
Hold D2 and third connecting pin D3.
First compressive plane 71 corresponds to the first connecting pin D1；Second compressive plane corresponds to second connection end D2；Pressure-bearing platform 5 corresponding the
Three connecting pin D3.The first connecting pin D1, second connection end D2 and the deflection of third connecting pin D3 is set to reach setting value, it should
Oblique oil cylinder 7 and the angle of the upper surface of the pressure-bearing platform are 45 degree, and 21 end of piston rod of the oblique oil cylinder 7 is fixed with angular squeeze
Splenium 24, which, which has the first compressive plane 71 perpendicular to the upper surface and be parallel to the second of the upper surface, squeezes
Pressure surface 72.The setting value is 0.6 times to 0.7 times of polyethylene tube outer diameter.
Fig. 4 is referred to, the oil cylinder 2 is equipped with perpendicular oil cylinder 6, and the piston rod 21 of the perpendicular oil cylinder 6, which has, is parallel to the upper surface
Third compressive plane 61.When needing to examine straight-through class pipe fitting welding line mass.Concrete operations are similar to the above, only use
Between perpendicular oil cylinder 6 press vertically downward.
Fig. 5 is referred to, the oblique oil cylinder 7 is equipped with position-limit mechanism 8, which is used to control the piston of the oblique oil cylinder 7
The moving range of bar 21.The position-limit mechanism 8 includes gag lever post 81, the limit switch being connected and fixed with the piston rod 21 of oblique oil cylinder 7
82 and controller 83, which is equipped with contact portion 84 corresponding with limit switch 82, when the piston rod 21 of the oblique oil cylinder 7
Moving range it is excessive when, which triggers the limit switch 82, and the controller 83 control oblique oil cylinder 7 stops movement.
The controller 83 is located in electric cabinet 4, and controller 83 is connected with warning device 41.When the work of the oblique oil cylinder 7
When the moving range of stopper rod 21 is excessive, the controller 83 controls the warning device 41 and alarms.
In the inspection equipment of polyethylene tube welding line mass of the invention, which has multifunctionality, can apply
In straight-through class and threeway class pipe fitting, it can solve the problems, such as that other Simple hydraulic press can not be pressed onto the middle part of threeway class pipe fitting, it can be effective
Examine whether the quality at polyethylene tube weld bond meets intensity requirement in time.
More than, it is only presently preferred embodiments of the present invention, is not intended to limit the present invention in any form, although this
Invention has been disclosed in a preferred embodiment above, and however, it is not intended to limit the invention, any person skilled in the art,
It does not depart within the scope of technical solution of the present invention, when the technology contents using the disclosure above make a little change or are modified to equivalent
The equivalent embodiment of variation, but without departing from the technical solutions of the present invention, according to the technical essence of the invention to the above reality
Any simple modification, equivalent variations and modification made by example are applied, all of which are still within the scope of the technical scheme of the invention.
Claims (10)
1. a kind of inspection equipment of polyethylene tube welding line mass, which is characterized in that including being located at one above support platform
To about the symmetrical oblique oil cylinder of vertical direction, the angle of the oblique oil cylinder and the upper surface is 45 degree, the piston of the oblique oil cylinder
Boom end is fixed with angular press section, which has the first compressive plane perpendicular to the upper surface and be parallel on this
Second compressive plane on surface.
2. the inspection equipment of polyethylene tube welding line mass according to claim 1, which is characterized in that the inspection is set
Standby further includes the perpendicular oil cylinder perpendicular to the upper surface, and there is the piston rod of the perpendicular oil cylinder third for being parallel to the upper surface to squeeze
Face.
3. the inspection equipment of polyethylene tube welding line mass according to claim 1, which is characterized in that the inspection is set
Standby further includes for adjusting the backing plate for supporting platform upper surface height.
4. the inspection equipment of polyethylene tube welding line mass according to claim 1, which is characterized in that the oblique oil cylinder
Equipped with position-limit mechanism, which is used to control the moving range of the piston rod of the oblique oil cylinder.
5. the inspection equipment of polyethylene tube welding line mass according to claim 4, which is characterized in that the position-limit mechanism
Including gag lever post, limit switch and the controller being connected and fixed with the piston rod of the oblique oil cylinder, which is equipped with and triggering
Corresponding contact portion is switched, when the moving range of the piston rod of the oblique oil cylinder is excessive, which triggers the limit switch,
The controller controls the oblique oil cylinder and stops movement.
6. the inspection equipment of polyethylene tube welding line mass according to claim 6, which is characterized in that the controller
It is connected with warning device, when the moving range of the piston rod of the oblique oil cylinder is excessive, the controller controls the alarm dress
Set alarm.
7. the inspection equipment of polyethylene tube welding line mass according to claim 1, which is characterized in that a pair of described oblique
Axisymmetrical of the oil cylinder about the perpendicular oil cylinder.
8. a kind of method of inspection of polyethylene tube welding line mass, comprising the following steps:
A, extruded polyethylene pipe fitting makes the deflection of polyethylene tube reach setting value；
B, observation and judge whether crack is brittle cracking at polyethylene tube weld bond；
C, judge whether polyethylene tube is qualified, if not brittle cracking, then polyethylene tube is qualified, otherwise unqualified.
9. the method for inspection of polyethylene tube welding line mass according to claim 8, which is characterized in that the step A
Include:
A1, the height for adjusting support platform；
A2, the polyethylene tube of threeway shape is fixed in support platform；
A3, using a pair of of vertical direction symmetrically the first compression face of oblique oil cylinder extruded polyethylene pipe fitting, the second compression face and
Third compression face makes the deflection of the first compression face, the second compression face and third compression face reach setting value, the oblique oil cylinder
Angle with the upper surface of the support platform is 45 degree, and the piston rod end of the oblique oil cylinder is fixed with angular press section, should
Angular press section has the first compressive plane perpendicular to the upper surface and is parallel to the second compressive plane of the upper surface.
10. the method for inspection of polyethylene tube welding line mass according to claim 8 or claim 9, which is characterized in that described to set
Definite value is 0.6 times to 0.7 times of polyethylene tube outer diameter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188283.5A CN110239109B (en) | 2018-03-07 | 2018-03-07 | Equipment and method for inspecting welding line quality of polyethylene pipe fitting |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810188283.5A CN110239109B (en) | 2018-03-07 | 2018-03-07 | Equipment and method for inspecting welding line quality of polyethylene pipe fitting |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110239109A true CN110239109A (en) | 2019-09-17 |
| CN110239109B CN110239109B (en) | 2024-03-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810188283.5A Active CN110239109B (en) | 2018-03-07 | 2018-03-07 | Equipment and method for inspecting welding line quality of polyethylene pipe fitting |
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| Country | Link |
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| CN (1) | CN110239109B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201069423Y (en) * | 2007-07-10 | 2008-06-04 | 上海新三思计量仪器制造有限公司 | Limiting mechanism of hydraulic material testing machine |
| RU2395130C1 (en) * | 2009-06-09 | 2010-07-20 | Государственное образовательное учреждение высшего профессионального образования Казанский государственный технический университет им. А.Н. Туполева | Oil refilling method of equipment, manely of high-voltage inputs, and device for its implementation |
| US20140154409A1 (en) * | 2011-06-17 | 2014-06-05 | Valerio Bregonzio | Method and device for applying protective sheeting of polymer material to a pipeline |
| CN203831036U (en) * | 2014-01-21 | 2014-09-17 | 济南新五岳光伏科技有限公司 | Back plate corner combining hand piece and corner combining device |
| CN204718895U (en) * | 2015-07-09 | 2015-10-21 | 辽宁爱维尔铸业股份有限公司 | Multi-functional hydraulic pressure tester for pipe fitting |
| CN205277974U (en) * | 2015-12-28 | 2016-06-01 | 浙江汉达机械有限公司 | Hydro -cylinder structure of injection molding machine |
| CN208247506U (en) * | 2018-03-07 | 2018-12-18 | 浙江伟星新型建材股份有限公司 | A kind of inspection equipment of polyethylene tube welding line mass |
-
2018
- 2018-03-07 CN CN201810188283.5A patent/CN110239109B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201069423Y (en) * | 2007-07-10 | 2008-06-04 | 上海新三思计量仪器制造有限公司 | Limiting mechanism of hydraulic material testing machine |
| RU2395130C1 (en) * | 2009-06-09 | 2010-07-20 | Государственное образовательное учреждение высшего профессионального образования Казанский государственный технический университет им. А.Н. Туполева | Oil refilling method of equipment, manely of high-voltage inputs, and device for its implementation |
| US20140154409A1 (en) * | 2011-06-17 | 2014-06-05 | Valerio Bregonzio | Method and device for applying protective sheeting of polymer material to a pipeline |
| CN203831036U (en) * | 2014-01-21 | 2014-09-17 | 济南新五岳光伏科技有限公司 | Back plate corner combining hand piece and corner combining device |
| CN204718895U (en) * | 2015-07-09 | 2015-10-21 | 辽宁爱维尔铸业股份有限公司 | Multi-functional hydraulic pressure tester for pipe fitting |
| CN205277974U (en) * | 2015-12-28 | 2016-06-01 | 浙江汉达机械有限公司 | Hydro -cylinder structure of injection molding machine |
| CN208247506U (en) * | 2018-03-07 | 2018-12-18 | 浙江伟星新型建材股份有限公司 | A kind of inspection equipment of polyethylene tube welding line mass |
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| Publication number | Publication date |
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| CN110239109B (en) | 2024-03-22 |
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Effective date of registration: 20191106 Address after: 317000 No. 6 Qianjiang South Road, Dayang Street, Linhai City, Taizhou City, Zhejiang Province Applicant after: Linhai Weixing New Building Materials Co.,Ltd. Address before: 317000 Taizhou Economic Development Zone, Zhejiang Applicant before: ZHEJIANG WEIXING NEW BUILDING MATERIALS Co.,Ltd. |
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