Yoshichika Matsumoto

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Hirakata, JP

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Patents Grantslast 30 patents

Information Patent Grant
Rapping device and rapping method
- Patent number 5,979,279
- Issue date Nov 9, 1999
- Matsushita Electric Industrial Co., Ltd.
- Yoshichika Matsumoto
- B26 - HAND CUTTING TOOLS CUTTING SEVERING