Yoshio Ohshima

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Tsukuba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Anaerobic digestion method
- Patent number 4,985,149
- Issue date Jan 15, 1991
- Public Works Research Institute, Ministry of Construction
- Yoshio Ohshima
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE