Nobuyasu Nonaka

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Sagamihara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for drilling printed circuit boards
- Patent number 4,658,494
- Issue date Apr 21, 1987
- Hitachi Seiko Ltd.
- Tamio Ohtani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR