Yukinari Yamakoshi

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fault detecting system for locating a fault point with a fault resi...
- Patent number 4,313,169
- Issue date Jan 26, 1982
- Tokyo Denryoku Kabushiki Kaisha
- Toshio Takagi
- G01 - MEASURING TESTING