Masami Masuyama

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Narashino, JA

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Patents Grantslast 30 patents

Information Patent Grant
Automatic pencil apparatus for an automated drafting system
- Patent number 4,091,393
- Issue date May 23, 1978
- Kabushiki Kaisha Daini Seikosha
- Masami Masuyama
- B43 - WRITING OR DRAWING IMPLEMENTS BUREAU ACCESSORIES