Katsuyuki Takagi

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Aichi, JA

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Patents Grantslast 30 patents

Information Patent Grant
Switching apparatus
- Patent number 3,952,173
- Issue date Apr 20, 1976
- Kabushiki Kaisha Tokai Rika Denki Seisakusho
- Takehiro Tsuji
- H01 - BASIC ELECTRIC ELEMENTS