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Hitachi, JP
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last 30 patents
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Patent Grant
Torus type vacuum shell
Patent number
4,303,473
Issue date
Dec 1, 1981
Hitachi, Ltd.
Masato Nagao
G21 - NUCLEAR PHYSICS NUCLEAR ENGINEERING
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Patent Grant
Apparatus for measuring mechanical stress using white X-rays
Patent number
4,128,762
Issue date
Dec 5, 1978
Hitachi, Ltd.
Masato Nagao
G01 - MEASURING TESTING