Takehisa Muronaga

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Nishimatsuura, JP

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Patents Grantslast 30 patents

Information Patent Grant
Fixing carrier for activated sludge in sewage or waste water treatment
- Patent number 4,814,125
- Issue date Mar 21, 1989
- Nippon Steel Corporation
- Masahiro Fujii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Fixing carrier for activated sludge in sewage or waste water treatment
- Patent number 4,814,085
- Issue date Mar 21, 1989
- Nippon Steel Corporation
- Masahiro Fujii
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES