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Sadanobu Sugahara
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Uozu, JP
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last 30 patents
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Patent Grant
Method of and apparatus for manufacturing slide fastener coupling e...
Patent number
4,432,126
Issue date
Feb 21, 1984
Yoshida Kogyo K. K.
Sadanobu Sugahara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...