Norio Katsumoto

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Amagasaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Submerged arc welding process
- Patent number 4,196,335
- Issue date Apr 1, 1980
- Sumitomo Metal Industries, Ltd.
- Masahiko Ikeda
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR