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发明名称
METHOD FOR DEVELOPMENT OF SET OF SLOPING ADJACENT SEAMS
摘要
申请公布号
SU1652564(A1)
申请公布日期
1991.05.30
申请号
SU19894702742
申请日期
1989.06.06
申请人
VNII GORNOJ GEOMEKHANIKI MARK
发明人
MELNIKOV OLEG I,SU;REVA VLADIMIR N,SU;NEJMAN LEONID K,SU;ZHARIKOV EVGENIJ D,SU
分类号
E21C41/18
主分类号
E21C41/18
代理机构
代理人
主权项
地址
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