Tsuya; Norboru

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Sendai, JP

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Patents Grantslast 30 patents

Information Patent Grant
High silicon steel thin strips and a method for producing the same
- Patent number 4,265,682
- Issue date May 5, 1981
- Tsuya; Norboru
- Noboru Tsuya
- B22 - CASTING POWDER METALLURGY