Yuji Yamaoka

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Machida, JP

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Patents Grantslast 30 patents

Information Patent Grant
Boring apparatus
- Patent number 4,955,951
- Issue date Sep 11, 1990
- Kabushiki Kaisha Iseki Kaihatsu Koki
- Isao Nemoto
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR