Nobuhiro Ohhara

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Patents Grantslast 30 patents

Information Patent Grant
Control of the power to the heater and the speed of movement of a c...
- Patent number 4,876,438
- Issue date Oct 24, 1989
- Shin-Etu Handotai Co., Ltd.
- Masataka Watanabe
- C30 - CRYSTAL GROWTH