Hisashi Yoshida

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Saitama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Small-sized gas pressure welding machine for rails with two separat...
- Patent number 4,762,263
- Issue date Aug 9, 1988
- Hakusan Seisakusho Co., Ltd.
- Hirotsugu Oishibashi
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR