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last 30 patents
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Patent Grant
Paper-punching device for use in a image-forming apparatus
Patent number
6,014,920
Issue date
Jan 18, 2000
Sharp Kabushiki Kaisha
Yasuji Yamauchi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL
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Patent Grant
Paper-punching device for use in an image-forming apparatus
Patent number
5,839,336
Issue date
Nov 24, 1998
Sharp Kabushiki Kaisha
Yasuji Yamauchi
B65 - CONVEYING PACKING STORING HANDLING THIN OR FILAMENTARY MATERIAL