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Shigeo Aikawa
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Yokohama, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Method and apparatus for truing and trued grinding tool
Patent number
5,472,371
Issue date
Dec 5, 1995
Hitachi, Ltd.
Hideo Yamakura
B24 - GRINDING POLISHING
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Patent Grant
Lap and lapping liquor
Patent number
5,456,736
Issue date
Oct 10, 1995
Hitachi, Ltd.
Yoshiharu Waki
B24 - GRINDING POLISHING