公开/公告号US2020263511A1
专利类型
公开/公告日2020-08-20
原文格式PDF
申请/专利权人 CHINA UNIVERSITY OF MINING AND TECHNOLOGY;XUZHOU OLIVINE GEOSCIENCE & GEOTECH CO. LTD;CHINA UNIVERSITY OF PETROLEUM EAST CHINA;ANHUI UNIVERSITY OF SCIENCE AND TECHNOLOGY;WUHAN INSTITUTE OF TECHNOLOGY;
申请/专利号US201816761497
发明设计人 SHUXUN SANG;XIAOZHI ZHOU;LIWENG CAO;SHIQI LIU;HAIWEN WANG;HUIHU LIU;ZICHENG LI;JINLONG JIA;HUAZHOU HUANG;CHANGJIANG LIU;HONGJIE XU;RAN WANG;SHUYUN ZHU;
申请日2018-11-12
分类号E21B21/06;E21B43/12;E21B7/04;E21B7/18;E21B7/28;E21C41/18;
国家 US
入库时间 2022-08-21 11:25:05