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Roger Huang
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Wurih Township, TW
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last 30 patents
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Patent Grant
Automatic extrusion device
Patent number
8,291,737
Issue date
Oct 23, 2012
Maxclaw Tools Co., Ltd.
Roger Huang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
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Patent Application
AUTOMATIC EXTRUSION DEVICE
Publication number
20110192207
Publication date
Aug 11, 2011
Roger Huang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...