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Hideaki Ohtsu
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Akashi, JP
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last 30 patents
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Patent Grant
Low alloy steels for use in pressure vessel
Patent number
4,855,106
Issue date
Aug 8, 1989
Kabushiki Kaisha Kobe Seiko Sho
Masaaki Katsumata
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Grant
Method for detecting brazing defects in plate-fin type heat exchangers
Patent number
4,412,453
Issue date
Nov 1, 1983
Kabushiki Kaisha Kobe Sekio Sho
Nobuyuki Nagai
G01 - MEASURING TESTING