Inventor
TOMITA YOJI
JP6 patents
Patents
6 patentsUS5256285AOct 26, 1993
Filter container with double construction
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US4918872AApr 24, 1990
Surface grinding apparatus
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US4750915AJun 14, 1988
Composite whetstone for polishing soft metals
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US4836917AJun 6, 1989
Apparatus for performing separation of a solid-liquid mixture
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US4761231AAug 2, 1988
Tubular fluid filter
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US5060424AOct 29, 1991
Surface grinding apparatus
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