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发明名称
METHOD OF WORKING ORE FORMATIONS
摘要
申请公布号
SU768987(A2)
申请公布日期
1980.10.07
申请号
SU19782696832
申请日期
1978.12.14
申请人
VOSTOCHNYJ NI GORNORUDNYJ INSTITUT
发明人
KHRAMTSOV VLADIMIR F,SU;ZALESSKAYA OLGA V,SU
分类号
(IPC1-7):E21C41/06
主分类号
(IPC1-7):E21C41/06
代理机构
代理人
主权项
地址
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