Shigeo Kobayashi

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Tokyo, JA

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Patents Grantslast 30 patents

Information Patent Grant
Method for measuring parameters of quartz crystal unit and a non-re...
- Patent number 3,992,664
- Issue date Nov 16, 1976
- Kokusai Denshin Denwa Kabushiki Kaisha
- Issac Koga
- G01 - MEASURING TESTING