Tadashi Hara

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Chiba, JP

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Patents Grantslast 30 patents

Information Patent Grant
Dispersant composition for cement having excellent property in inhi...
- Patent number 5,432,212
- Issue date Jul 11, 1995
- W. R. Grace & Co.-Conn.
- Susumu Honda
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES