Akio Tsuchiya

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Muko, JP

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Patents Grantslast 30 patents

Information Patent Grant
Wafer transferring device
- Patent number 4,846,623
- Issue date Jul 11, 1989
- Dainippon Screen Mfg. Co., Ltd.
- Masami Otani
- B28 - WORKING CEMENT, CLAY, OR STONE