BEIJING MUNICIPAL ROAD & BRIDGE BUILDING MATERIAL GROUP CO., LTD.

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Patents Grantslast 30 patents

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Mix composition determination method of coarse graded high modulus...
- Patent number 9,434,842
- Issue date Sep 6, 2016
- RESEARCH INSTITUTE OF HIGHWAY, MOT, PRC
- Xudong Wang
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES