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INOUE SANGYO CO., LTD
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TOKYO, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Roll bending machine
Patent number
4,777,816
Issue date
Oct 18, 1988
Inoue Sangyo Co. Ltd.
Yasutaka Inoue
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...