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Nikka Engineering Co., Ltd.
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Asaka, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Center punching apparatus
Patent number
4,893,536
Issue date
Jan 16, 1990
Nikka Engineering Co., Ltd.
Kaoru Kinoshita
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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last 30 patents
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