Tokuji Yamamoto

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Kyoto, JP

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Patents Grantslast 30 patents

Information Patent Grant
Water treating agent
- Patent number 4,931,078
- Issue date Jun 5, 1990
- Kyoritsu Glass Mfg., Co., Ltd.
- Tokuji Yamamoto
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE