Kazuyuki Iwama

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Koriyama, JP

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Patents Grantslast 30 patents

Information Patent Grant
Method of detecting conductive material contained in glass fiber by...
- Patent number 4,825,158
- Issue date Apr 25, 1989
- Nitto Glass Fiber Mfg. Co., Ltd.
- Kenzo Watabe
- G01 - MEASURING TESTING