Takashi Nakamura

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Fukuoka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for refining crude material for copper or copper alloy
- Patent number 5,364,449
- Issue date Nov 15, 1994
- Kabushiki Kaisha Kobe Seiko Sho
- Takashi Nakamura
- C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...