Tadashi Miyaoka

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Nishinomiya, JA

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Patents Grantslast 30 patents

Information Patent Grant
Spheroidal graphite cast iron pipe of ferritic structure and method...
- Patent number 3,954,133
- Issue date May 4, 1976
- Kubota Ltd.
- Tadashi Miyaoka
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method of producing high duty cast iron
- Patent number 3,954,446
- Issue date May 4, 1976
- Kubota Ltd.
- Tadashi Miyaoka
- C21 - METALLURGY OF IRON