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Haruo Kamei
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Higashi Osaka, JP
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last 30 patents
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Patent Grant
Abrasive material
Patent number
7,214,126
Issue date
May 8, 2007
Kamei Tekkosho Ltd.
Haruo Kamei
B24 - GRINDING POLISHING
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Patent Grant
Method and apparatus for grinding the surface of a work
Patent number
6,146,247
Issue date
Nov 14, 2000
Kamei Tekkosho Ltd.
Takashi Nokubi
B24 - GRINDING POLISHING