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Yosimi Katou
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Takahagi, JP
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last 30 patents
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Patent Grant
Alloy having variable spectral reflectance and information recordin...
Patent number
4,743,526
Issue date
May 10, 1988
Hitachi, Ltd.
Hisashi Ando
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...