Hitoshi Teshigawara

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Ibaraki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Hot pressure welding of hot steel stock
- Patent number 5,222,654
- Issue date Jun 29, 1993
- Sumitomo Metal Industries, Ltd.
- Masami Oki
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR