Tomoharu Kutsuna

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Toyota, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method for impregnating a die-cast article with a sealant and an im...
- Patent number 4,520,045
- Issue date May 28, 1985
- Taiho Kogyo Co., Ltd.
- Tomoharu Kutsuna
- B22 - CASTING POWDER METALLURGY