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发明名称
METHOD OF WORKING PILLARS
摘要
申请公布号
SU1566025(A1)
申请公布日期
1990.05.23
申请号
SU19884478719
申请日期
1988.08.29
申请人
KRIVOROZHSKIJ GORNORUDNYJ INSTITUT
发明人
KUCHER VALENTIN M,SU;VASILENKO VYACHESLAV E,SU;KRIVENKO YURIJ YU,SU;GOROBETS VIKTOR A,SU
分类号
E21C41/16
主分类号
E21C41/16
代理机构
代理人
主权项
地址
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