Tokyo, JP
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Patent Grant
Furukawa-Sky Aluminum Corporation
Kazuhisa Kashiwazaki
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
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Patent Application
Kazuhisa Kashiwazaki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
