Tomoyoshi Okada

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Osaka, JP

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Patents Grantslast 30 patents

Information Patent Grant
Oxide film removing apparatus and removing method thereof using aze...
- Patent number 5,112,437
- Issue date May 12, 1992
- Dainippon Screen Mfg. Co., Ltd.
- Nobuatsu Watanabe
- C03 - GLASS MINERAL OR SLAG WOOL