Mikio Kawano

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Miyazaki, JP

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Patents Grantslast 30 patents

Information Patent Grant
Articles of porous glass and process for preparing the same
- Patent number 4,657,875
- Issue date Apr 14, 1987
- Miyazaki Prefecture
- Tadao Nakashima
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE