Laizhou City, Yantai, Shandong, CN
Information
Patent Grant
DEEP WELL MINING LABORATORY BRANCH OF SHANDONG GOLD MINING TECHNOLOGY CO., LTD
Huanxin Liu
G01 - MEASURING TESTING
Information
Patent Application
Shandong Gold Mining Co., Ltd.
Mingde Zhu
E21 - EARTH DRILLING MINING
Information
Patent Application
DEEP WELL MINING LABORATORY BRANCH OF SHANDONG GOLD MINING TECHNOLOGY Co., Ltd.
Huanxin LIU
G01 - MEASURING TESTING
