Koutaro Nonumura

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Kunitachi, JP

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Patents Grantslast 30 patents

Information Patent Grant
Process for dyeing aluminum-containing zinc-based alloys
- Patent number 4,200,475
- Issue date Apr 29, 1980
- Mitsui Mining & Smelting Co., Ltd.
- Nobuyoshi Kasahara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...