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Izumi Watanabe
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Miyagi, JP
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last 30 patents
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Patent Grant
Material evaluation method by acoustic velocity measurement
Patent number
6,691,575
Issue date
Feb 17, 2004
Jun-ichi Kushibiki
G01 - MEASURING TESTING
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last 30 patents
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Patent Application
Material evaluation method by acoustic velocity measurement
Publication number
20020124651
Publication date
Sep 12, 2002
Jun-ichi Kushibiki
G01 - MEASURING TESTING