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Kazuo Miyagawa
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Kisarazu, JP
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last 30 patents
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Patent Grant
Electromagnetic ultrasonic apparatus
Patent number
4,348,903
Issue date
Sep 14, 1982
Nippon Steel Corporation
Ichiya Sato
G10 - MUSICAL INSTRUMENTS ACOUSTICS
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Patent Grant
Apparatus for detecting a surface flaw of a material at high temper...
Patent number
4,118,732
Issue date
Oct 3, 1978
Nippon Steel Corporation
Isamu Ichijima
G01 - MEASURING TESTING