CN108555268A - A kind of THROUGH METHOD prepares the upper hydraulic fluid pressure device and its application method of foamed aluminium - Google Patents
A kind of THROUGH METHOD prepares the upper hydraulic fluid pressure device and its application method of foamed aluminium Download PDFInfo
- Publication number
- CN108555268A CN108555268A CN201810562458.4A CN201810562458A CN108555268A CN 108555268 A CN108555268 A CN 108555268A CN 201810562458 A CN201810562458 A CN 201810562458A CN 108555268 A CN108555268 A CN 108555268A
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- CN
- China
- Prior art keywords
- seepage flow
- molten aluminum
- stalk
- top board
- foamed aluminium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B22—CASTING; POWDER METALLURGY
- B22D—CASTING OF METALS; CASTING OF OTHER SUBSTANCES BY THE SAME PROCESSES OR DEVICES
- B22D18/00—Pressure casting; Vacuum casting
- B22D18/04—Low pressure casting, i.e. making use of pressures up to a few bars to fill the mould
-
- C—CHEMISTRY; METALLURGY
- C22—METALLURGY; FERROUS OR NON-FERROUS ALLOYS; TREATMENT OF ALLOYS OR NON-FERROUS METALS
- C22C—ALLOYS
- C22C1/00—Making non-ferrous alloys
- C22C1/08—Alloys with open or closed pores
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Accommodation For Nursing Or Treatment Tables (AREA)
- Press Drives And Press Lines (AREA)
Abstract
The invention discloses upper hydraulic fluid pressure devices and its application method that a kind of THROUGH METHOD prepares foamed aluminium, molten aluminum conduit is fixed in U shape in crucible, oil cylinder piston is provided in hydraulic cylinder, oil cylinder piston is connected with catheter stopcock by piston rod, catheter stopcock is slideably positioned in one end of molten aluminum conduit, the other end of molten aluminum conduit, stalk, seepage flow mold and top board are sequentially connected from the bottom to top, oil inlet and outlet and lower oil inlet and outlet are provided on hydraulic cylinder, molten aluminum import is provided on molten aluminum conduit, seepage flow particle is provided in seepage flow mold, vacuum-pumping tube interface is provided on top board.Piston pressurization is combined the flowing of guiding molten aluminum by the present invention with the mode vacuumized, and the technological parameters such as seepage pressure, percolation flow velocity can be adjusted as needed, and can effectively improve the yield rate of foamed aluminium production, improve the inherent quality of foam aluminium plate.
Description
Technical field
The present invention relates to Preparation Methods of Foam Aluminum fields, and the upper hydraulic fluid pressure of foamed aluminium is prepared more particularly to a kind of THROUGH METHOD
Device and its application method.
Background technology
Foamed aluminium is prepared by foam process after adding additives to pure aluminum or aluminum alloys, while having gold concurrently
Belong to and bubble feature.It has the characteristics that density is small, absorbs impact capacity by force, high temperature resistant, sound insulation and noise reduction, has filter capacity, has
Have broad application prospects.
The country generally uses low-pressure filtration method, top piston in the technical process for preparing foamed aluminium material with THROUGH METHOD
Pressing method vacuumizes the processes such as THROUGH METHOD and piston rising pouring extrusion, the principle and feature division of above-mentioned various methods
It is as follows：
(1) low-pressure filtration method：The molten aluminum in crucible is squeezed into stalk using air pressure, then cavity is full of by stalk,
So that the seepage flow particle in cavity forms complex with molten aluminum, after the taking-up of seepage flow particle, then foamed aluminium material is obtained；
(2) top piston pressing method：The seepage flow particle top of compacting is cast in piston press on the top of cavity
Molten aluminum makes molten aluminum penetrate into the gap of seepage flow particle；
(3) THROUGH METHOD is vacuumized：Similar to low-pressure filtration method, molten aluminum is sucked into cavity by vacuumizing on the top of cavity
It is interior, obtain the complex of seepage flow particle and aluminium；
(4) piston rising pouring pressing method：Molten aluminum is pushed away from the lower part of seepage flow cavity using hydraulic cylinder and piston guide rod etc.
Enter in cavity, obtains the complex of seepage flow particle and aluminium.
The above several method have the shortcomings that respectively it is different, wherein：The shortcomings that low-pressure filtration method is that seepage pressure is low, seepage flow
The preheating temperature of particle is high, high energy consumption, and the height that molten aluminum rises is not easily controlled；The shortcomings that top piston pressing method is molten aluminum
Liquid level is not plane when filling type, and aluminum liquid filling type is imperfect；Low, the preheating temperature of seepage flow particle that vacuumizing method is also that there are seepage pressures
The shortcomings that degree is high, high energy consumption, and the height that molten aluminum rises is not easily controlled；There are the operations that molten aluminum fills for piston rising pouring pressing method
The shortcomings of inconvenient.
Thus, upper hydraulic fluid pressure device and its application method that a kind of THROUGH METHOD prepares foamed aluminium how are provided, in solution
Technical problem of the existing technology is stated, the inherent quality of the yield rate and foamed aluminium finished product of foamed aluminium production is effectively improved, is
Those skilled in the art are urgently to be resolved hurrily.
Invention content
The object of the present invention is to provide upper hydraulic fluid pressure devices and its application method that a kind of THROUGH METHOD prepares foamed aluminium, pass through
Control THROUGH METHOD prepares the technological parameters such as seepage pressure, percolation flow velocity in foam aluminium plate technical process, effectively improves foam
The inherent quality of the yield rate and foamed aluminium finished product of aluminium production.
To achieve the above object, the present invention provides following schemes：
The invention discloses the upper hydraulic fluid pressure device that a kind of THROUGH METHOD prepares foamed aluminium, including hydraulic cylinder, molten aluminum conduit,
Crucible, stalk, seepage flow mold and top board, the molten aluminum conduit is fixed in U shape in the crucible, in the hydraulic cylinder
It is provided with oil cylinder piston, the oil cylinder piston is connected with catheter stopcock by piston rod, and the catheter stopcock is slideably positioned in
One end of the molten aluminum conduit, the other end, the stalk, the seepage flow mold and the top board of the molten aluminum conduit by
Under it is supreme be sequentially connected, metal mesh and the first asbestos pad for sealing are provided between the stalk and the seepage flow mold
Circle, is provided with the second asbestos washer for sealing, is set on the hydraulic cylinder between the seepage flow mold and the top board
It is equipped with oil inlet and outlet and lower oil inlet and outlet, molten aluminum import is provided on the molten aluminum conduit, is provided in the seepage flow mold
Seepage flow particle is provided with vacuum-pumping tube interface on the top board.
Preferably, the molten aluminum conduit is welded on the inner wall of the crucible.
Preferably, the molten aluminum conduit and the stalk flanged joint.
Preferably, the lower surface and the edge of the crucible of the flange face of the stalk lower end offset.
Preferably, the shape of the top board is the bowl structure of back-off, and the inner upper end of the top board is provided with pumping
Vacuum chamber, the vacuum-pumping tube interface are connected with the chamber that vacuumizes, and the lower part for vacuumizing chamber is vacuumized by multiple
Pipeline is connected with the seepage flow mold.
Preferably, the internal diameter of the stalk and the seepage flow mold is up big and down small.
Preferably, the vacuum-pumping pipeline is multiple and is uniformly distributed in the top board, the vacuum-pumping pipeline
Internal diameter is up-small and down-big.
Preferably, it is separated by wedge shaped baffle between the vacuum-pumping pipeline, the wedge shaped baffle is up big and down small, described
The first cooling water pipeline is provided in the outer wall of wedge shaped baffle and the top board.
Preferably, the outer exterior wall of the stalk is wound with the second cooling water pipeline.
The invention also discloses the application methods that a kind of THROUGH METHOD prepares the upper hydraulic fluid pressure device of foamed aluminium, including walk as follows
Suddenly：
S1, first seepage flow particle and consolidation will be inserted in seepage flow mold, be then put into togerther seepage flow mold and seepage flow particle
Set temperature is preheating in preheating furnace；
S2, seepage flow mold and seepage flow particle and the top for being set to stalk are taken out, is set between stalk and seepage flow mold
Set metal mesh and the first asbestos washer for sealing；
S3, the top that top board is positioned over to seepage flow mold, are arranged the second asbestos washer between top board and seepage flow mold；
S4, the molten aluminum in crucible is heated to required temperature, hydraulic oil is squeezed by the upper oil inlet and outlet of oil cylinder, is made
It obtains catheter stopcock to move downwards so that the molten aluminum in molten aluminum conduit rises along stalk and is full of seepage flow mold, and formation is oozed
Flow the complex of particle and aluminium；While catheter stopcock pushes, the technique vacuumized is applied to vacuum-pumping tube connector so that ooze
Air in stream mold is able to rapid deflation, reduces the gas in the seepage flow particle of formation and the complex of aluminium；
S5, the pushing for stopping catheter stopcock and the process vacuumized, take out the complex of seepage flow particle and aluminium, postmenstruation
Removal particle is simultaneously machined out, and obtains qualified foamed aluminium material
The present invention achieves following technique effect compared with the existing technology：
Piston pressurization is combined the flowing of guiding molten aluminum, seepage pressure, percolation flow velocity by the present invention with the mode vacuumized
Equal technological parameters can be adjusted as needed, and can effectively improve the yield rate of foamed aluminium production, improve foam aluminium plate
Inherent quality.On the one hand, molten aluminum can be directly entered molten aluminum conduit by molten aluminum import, and molten aluminum filling is convenient；On the other hand, it keeps away
Simple use is exempted from and has vacuumized the low disadvantage of mode swabbing pressure so that the air in seepage flow mold is able to rapid deflation, effectively
Reduce the gas in the complex of the seepage flow particle and aluminium that are formed；Moreover, the molten aluminum conduit by U-shaped converts jack-up method to
Pushing mode, convenient for the lifting height of control molten aluminum.
Description of the drawings
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the present invention
Example, for those of ordinary skill in the art, without creative efforts, can also obtain according to these attached drawings
Obtain other attached drawings.
Fig. 1 is the structural schematic diagram for the upper hydraulic fluid pressure device that THROUGH METHOD of the present invention prepares foamed aluminium；
Reference sign：1, oil cylinder piston；2, upper oil inlet and outlet；3, lower oil inlet and outlet；4, hydraulic oil；5, hydraulic oil
Cylinder；6, piston rod；7, molten aluminum conduit；8, crucible；9, catheter stopcock；10, molten aluminum import；11, molten aluminum；12, pad；13、
Conduit flange；14, the second cooling water pipeline；15, metal mesh；16, the first asbestos washer；17, stalk；18, seepage flow particle；
19, the second asbestos washer；20, seepage flow mold；21, the first cooling water pipeline；22, vacuum-pumping pipeline；23, chamber is vacuumized；24, on
Pressing plate；25, vacuum-pumping tube interface.
Specific implementation mode
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation describes, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide upper hydraulic fluid pressure devices and its application method that a kind of THROUGH METHOD prepares foamed aluminium, pass through
Control THROUGH METHOD prepares the technological parameters such as seepage pressure, percolation flow velocity in foam aluminium plate technical process, effectively improves foam
The inherent quality of the yield rate and foamed aluminium finished product of aluminium production.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, below in conjunction with the accompanying drawings and specific real
Applying mode, the present invention is described in further detail.
As shown in Figure 1, the present embodiment provides the upper hydraulic fluid pressure device that a kind of THROUGH METHOD prepares foamed aluminium, including hydraulic cylinder
5, molten aluminum conduit 7, crucible 8, stalk 17, seepage flow mold 20 and top board 24.
Molten aluminum conduit 7 is fixed in U shape in crucible 8, and pad is formed in crucible 8 generally by the mode of welding
12.Oil cylinder piston 1 is provided in hydraulic cylinder 5, oil cylinder piston 1 is connected with catheter stopcock 9, catheter stopcock 9 by piston rod 6
It is slideably positioned in one end of molten aluminum conduit 7, the other end, stalk 17, seepage flow mold 20 and the top board 24 of molten aluminum conduit 7 are under
It is supreme to be sequentially connected, metal mesh 15 and the first asbestos washer for sealing are provided between stalk 17 and seepage flow mold 20
16, it is provided with the second asbestos washer 19 for sealing between seepage flow mold 20 and top board 24, is provided on hydraulic cylinder 5
Oil inlet and outlet 2 and lower oil inlet and outlet 3 are provided with molten aluminum import 10 on molten aluminum conduit 7, seepage flow particle are provided in seepage flow mold 20
18, vacuum-pumping tube structure 25 is provided on top board 24.
When hydraulic oil 4 flows into hydraulic cylinder 5 from upper oil inlet and outlet 2, flows out hydraulic cylinder 5 from lower oil inlet and outlet 3, oil cylinder
Piston 1 moves downward, and catheter stopcock 9 is driven to be moved downward in molten aluminum conduit 7.When catheter stopcock 9 moves to covering molten aluminum
When molten aluminum import 10 on conduit 7, catheter stopcock 9 continues to move downward can be pressed into liter successively by the molten aluminum 11 in molten aluminum conduit 7
In liquid pipe 17 and seepage flow mold 20.
Further, the connecting pin of molten aluminum conduit 7 and stalk 17 is provided with conduit flange 13, molten aluminum conduit 7 and liter liquid
Between pipe 17, between stalk 17 and seepage flow mold 20, between seepage flow mold 20 and top board 24 be flanged joint, to improve
Sealing performance.The lower surface and the edge of crucible 8 of the flange face of 17 lower end of stalk offset, fixed in order to the welding of filtrate conduit
Position.
Top board 24 act as being formed one and vacuumizes chamber 23, and the gas in seepage flow mold 20, which is introduced into, vacuumizes chamber
23, then be discharged by vacuum-pumping tube structure 25, keep pumping process more stable.
Further, the shape of top board 24 is the bowl structure of back-off, and the inner upper end of top board 24 is provided with pumping very
Cavity 23, vacuum-pumping tube structure 25 are connected with chamber 23 is vacuumized, and the lower part for vacuumizing chamber 23 passes through multiple vacuum-pumping pipelines 22
It is connected with seepage flow mold 20.
Specifically, vacuum-pumping pipeline 22 is multiple and is uniformly distributed in top board 24, pass through between vacuum-pumping pipeline 22
Wedge shaped baffle separates.
In order to improve shaping efficiency, the present embodiment is provided with the first cooling water in the outer wall of wedge shaped baffle and top board 24
The outer exterior wall of pipeline 21, stalk 17 is wound with the second cooling water pipeline 14, to accelerate the cooling and shaping speed of molten aluminum 11,
The phenomenon that overflowing from top board 24 to avoid molten aluminum 11 and flowing back from stalk 17.
Further, the internal diameter of stalk 17 and seepage flow mold 20 is up big and down small, in order to control the upper of 11 liquid level of molten aluminum
Lifting speed, while also allowing for taking out the complex of seepage flow particle 18 and aluminium.The internal diameter of vacuum-pumping pipeline 22 is up-small and down-big, wedge shape gear
Plate is up big and down small, i.e., slight big on the cross-sectional area of gas channel, makes the negative pressure value of top board 24 and 20 junction of seepage flow mold
Less than the negative pressure value at vacuum-pumping tube structure 25, realization steadily vacuumizes.
The present embodiment also provides the application method that a kind of THROUGH METHOD prepares the upper hydraulic fluid pressure device of foamed aluminium, including walks as follows
Suddenly：
S1, first seepage flow particle 18 and consolidation will be inserted in seepage flow mold 20, then by seepage flow mold 20 and seepage flow particle 18
It is put into togerther in preheating furnace and is preheating to set temperature；
S2, seepage flow mold 20 and seepage flow particle 18 and the top for being set to stalk 17, stalk 17 and seepage flow mould are taken out
Setting metal mesh 15 and the first asbestos washer 16 for sealing between tool 20；
S3, the top that top board 24 is positioned over to seepage flow mold 20, are arranged second between top board 24 and seepage flow mold 20
Asbestos washer 19；
S4, the molten aluminum 11 in crucible 8 is heated to required temperature, hydraulic oil 4 is squeezed by the upper oil inlet and outlet 2 of oil cylinder
Enter so that catheter stopcock 9 moves downwards so that the molten aluminum 11 in molten aluminum conduit 7 rises along stalk 17 and is full of seepage flow
Mold 20 forms the complex of seepage flow particle 18 and aluminium；While catheter stopcock 9 pushes, vacuum-pumping tube connector is applied and is taken out
The technique of vacuum so that the air in seepage flow mold 20 is able to rapid deflation, reduce formation seepage flow particle 18 and aluminium it is compound
Gas in body；
S5, the pushing for stopping catheter stopcock 9 and the process vacuumized, take out the complex of seepage flow particle 18 and aluminium, after
The removal particle of phase is simultaneously machined out, and obtains qualified foamed aluminium material.
Specific case is applied in this specification, and principle and implementation of the present invention are described, above example
Explanation be merely used to help understand the present invention method and its core concept；Meanwhile for those of ordinary skill in the art,
According to the thought of the present invention, there will be changes in the specific implementation manner and application range.In conclusion in this specification
Appearance should not be construed as limiting the invention.
Claims (10)
1. a kind of THROUGH METHOD prepares the upper hydraulic fluid pressure device of foamed aluminium, which is characterized in that including hydraulic cylinder, molten aluminum conduit, earthenware
Crucible, stalk, seepage flow mold and top board, the molten aluminum conduit are fixed in U shape in the crucible, are set in the hydraulic cylinder
It is equipped with oil cylinder piston, the oil cylinder piston is connected with catheter stopcock by piston rod, and the catheter stopcock is slideably positioned in institute
One end of molten aluminum conduit is stated, the other end, the stalk, the seepage flow mold and the top board of the molten aluminum conduit are under
It is supreme to be sequentially connected, metal mesh and the first asbestos pad for sealing are provided between the stalk and the seepage flow mold
Circle, is provided with the second asbestos washer for sealing, is set on the hydraulic cylinder between the seepage flow mold and the top board
It is equipped with oil inlet and outlet and lower oil inlet and outlet, molten aluminum import is provided on the molten aluminum conduit, is provided in the seepage flow mold
Seepage flow particle is provided with vacuum-pumping tube interface on the top board.
2. THROUGH METHOD according to claim 1 prepares the upper hydraulic fluid pressure device of foamed aluminium, which is characterized in that the molten aluminum is led
Pipe is welded on the inner wall of the crucible.
3. THROUGH METHOD according to claim 1 prepares the upper hydraulic fluid pressure device of foamed aluminium, which is characterized in that the molten aluminum is led
Pipe and the stalk flanged joint.
4. THROUGH METHOD according to claim 3 prepares the upper hydraulic fluid pressure device of foamed aluminium, which is characterized in that the stalk
The lower surface of the flange face of lower end and the edge of the crucible offset.
5. THROUGH METHOD according to claim 1 prepares the upper hydraulic fluid pressure device of foamed aluminium, which is characterized in that the top board
Shape be back-off bowl structure, the inner upper end of the top board, which is provided with, vacuumizes chamber, the vacuum-pumping tube interface with
The chamber that vacuumizes is connected, and the lower part for vacuumizing chamber is connected by multiple vacuum-pumping pipelines with the seepage flow mold.
6. THROUGH METHOD according to claim 5 prepares the upper hydraulic fluid pressure device of foamed aluminium, which is characterized in that the stalk
It is up big and down small with the internal diameter of the seepage flow mold.
7. THROUGH METHOD according to claim 5 prepares the upper hydraulic fluid pressure device of foamed aluminium, which is characterized in that described to vacuumize
Pipeline is multiple and is uniformly distributed in the top board that the internal diameter of the vacuum-pumping pipeline is up-small and down-big.
8. THROUGH METHOD according to claim 7 prepares the upper hydraulic fluid pressure device of foamed aluminium, which is characterized in that described to vacuumize
Separated by wedge shaped baffle between pipeline, the wedge shaped baffle is up big and down small, the wedge shaped baffle and the top board it is outer
The first cooling water pipeline is provided in wall.
9. THROUGH METHOD according to claim 1 prepares the upper hydraulic fluid pressure device of foamed aluminium, which is characterized in that the stalk
Outer exterior wall be wound with the second cooling water pipeline.
10. a kind of THROUGH METHOD as described in any one of claims 1-9 prepares the user of the upper hydraulic fluid pressure device of foamed aluminium
Method, which is characterized in that include the following steps：
S1, first seepage flow particle and consolidation will be inserted in seepage flow mold, seepage flow mold and seepage flow particle are then put into togerther preheating
Set temperature is preheating in stove；
S2, seepage flow mold and seepage flow particle and the top for being set to stalk are taken out, gold is set between stalk and seepage flow mold
Belong to net and the first asbestos washer for sealing；
S3, the top that top board is positioned over to seepage flow mold, are arranged the second asbestos washer between top board and seepage flow mold；
S4, the molten aluminum in crucible is heated to required temperature, hydraulic oil is squeezed by the upper oil inlet and outlet of oil cylinder so that lead
Pipe piston moves downwards so that the molten aluminum in molten aluminum conduit rises along stalk and be full of seepage flow mold, forms seepage flow
The complex of grain and aluminium；While catheter stopcock pushes, the technique vacuumized is applied to vacuum-pumping tube connector so that seepage flow mould
Air in tool is able to rapid deflation, reduces the gas in the seepage flow particle of formation and the complex of aluminium；
S5, the pushing for stopping catheter stopcock and the process vacuumized, take out the complex of seepage flow particle and aluminium, the removal of postmenstruation
Particle is simultaneously machined out, and obtains qualified foamed aluminium material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562458.4A CN108555268B (en) | 2018-06-04 | 2018-06-04 | Hydraulic device for preparing foamed aluminum by seepage method and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810562458.4A CN108555268B (en) | 2018-06-04 | 2018-06-04 | Hydraulic device for preparing foamed aluminum by seepage method and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108555268A true CN108555268A (en) | 2018-09-21 |
| CN108555268B CN108555268B (en) | 2020-07-28 |
Family
ID=63552736
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| Application Number | Title | Priority Date | Filing Date |
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| CN201810562458.4A Active CN108555268B (en) | 2018-06-04 | 2018-06-04 | Hydraulic device for preparing foamed aluminum by seepage method and application method thereof |
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| Country | Link |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110666139A (en) * | 2019-10-25 | 2020-01-10 | 清华大学 | Foam metal preparation device and preparation method and foam metal |
| CN112048683A (en) * | 2020-09-03 | 2020-12-08 | 郭斌 | Fixing device with adjustable aluminothermic processing is used |
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| CN112048683A (en) * | 2020-09-03 | 2020-12-08 | 郭斌 | Fixing device with adjustable aluminothermic processing is used |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108555268B (en) | 2020-07-28 |
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Effective date of registration: 20200930 Address after: 255000, No. 1, unit 6, Kerry garden, Renmin West Road, Renmin West Road, Zhangdian District, Shandong, Zibo Patentee after: Zhang Beiang Address before: 255000, No. 1, unit 6, Kerry garden, Renmin West Road, Renmin West Road, Zhangdian District, Shandong, Zibo Patentee before: Zhang Yong |