INTERNATIONAL PATENT: GUANGZHOU INSTITUTE OF BUILDING SCIENCE GROUP CO., LTD, 广州市建筑科学研究院集团有限公司, GUANGZHOU CONSTRUCTION ENGINEERING CO., LTD, 广州建筑股份有限公司 FILES APPLICATION FOR "NUMERICAL CONTROL MODULE AND METHOD, APPARATUS AND DEVICE FOR MEASURING SAND CONTENT OF ENGINEERING CONSTRUCTION WASTE RESIDUES"

GENEVA, Feb. 24 -- GUANGZHOU INSTITUTE OF BUILDING SCIENCE GROUP CO., LTD (No. 833 Baiyun Avenue North, Baiyun DistrictGuangzhou, Guangdong 510420), 广州市建筑科学研究院集团有限公司 (中国广东省广州市白云区白云大道北833号), GUANGZHOU CONSTRUCTION ENGINEERING CO., LTD (6th Floor, No. 4 Guangwei Road, Yuexiu DistrictGuangzhou, Guangdong 510030), 广州建筑股份有限公司 (中国广东省广州市越秀区广卫路4号...