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Hitachi, JP
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last 30 patents
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Patent Grant
Heat resistant steel and gas turbine components composed of the same
Patent number
5,008,072
Issue date
Apr 16, 1991
Hitachi, Ltd.
Masao Siga
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Gas turbine having components composed of heat resistant steel
Patent number
4,850,187
Issue date
Jul 25, 1989
Hitachi, Ltd.
Masao Siga
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...