INTERNATIONAL PATENT: HEFEI CEMENT RESEARCH AND DESIGN INSTITUTE CO., LTD., 合肥水泥研究设计院有限公司, CHINA NATIONAL BUILDING MATERIAL GROUP CO., LTD., 中国建材集团有限公司, CNBM (HEFEI) POWDER TECHNOLOGY EQUIPMENT CO., LTD., 中建材（合肥）粉体科技装备有限公司, CHINA BUILDING MATERIALS ACADEMY CO., LTD., 中国建筑材料科学研究总院有限公司 FILES APPLICATION FOR "PARTICLE PACKING THEORY-BASED METHOD FOR GRINDING MEDIUM GRADATION SIMULATION OF BALL MILL"

GENEVA, April 28 -- HEFEI CEMENT RESEARCH AND DESIGN INSTITUTE CO., LTD. (No.60,Wangjiang East Road, Baohe District,Hefei, Anhui 230000), 合肥水泥研究设计院有限公司 (中国安徽省合肥市包河区望江东路60号), CHINA NATIONAL BUILDING MATERIAL GROUP CO., LTD. ((Tower B) 2nd Building, Guohai Plaza, No. 17 Fuxing Road,Haidian District, Beijing 100036), 中国建材集团有限公司 (中国北京市海淀区复兴路17号国海广场2号楼(B...