Nichireki Chemical

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Cement/asphalt mixtures and processes for preparation of the same
- Patent number 5,223,031
- Issue date Jun 29, 1993
- Osaka Cement Co., Ltd.
- Tomomitsu Sugi
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES