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Tokyo, JP
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Patents Grants
last 30 patents
Information
Patent Grant
Multi-functional cement dispersants and hydraulic cement compositions
Patent number
6,642,320
Issue date
Nov 4, 2003
Taiheiyo Cement Kabushiki Kaisha
Hiroshi Nakanishi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Method of manufacturing concrete for placement in air not requiring...
Patent number
5,316,572
Issue date
May 31, 1994
NMB Ltd.
Hajime Okamura
C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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