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Taipei, TW
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last 30 patents
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Patent Grant
Aluminum mesh with interlaced hollow and solid ribs
Patent number
5,716,718
Issue date
Feb 10, 1998
Ching-Ming Lai
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Aluminum mesh with hollow ribs and the related workpiece extruding die
Patent number
5,181,410
Issue date
Jan 26, 1993
Ching-Ming Lai
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...