Keisyo Nakanishi

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Nara, JP

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Patents Grantslast 30 patents

Information Patent Grant
Scale inhibitor
- Patent number 4,814,406
- Issue date Mar 21, 1989
- Katayama Chemical Works Ltd.
- Sakae Katayama
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE