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发明名称
ARRANGEMENT FOR SELECTIVE EXCAVATION OF MINERALS
摘要
申请公布号
SU1500772(A1)
申请公布日期
1989.08.15
申请号
SU19864115431
申请日期
1986.09.08
申请人
G PK EXI UGOLNOGO MASH "GIPROUGLEMASH"
发明人
KHOTEEV VASILIJ V,SU;MYSHLYAEV BORIS K,SU;PUTINTSEV GERGIJ I,SU;LEVASHOV VLADIMIR M,SU;BARANOV NIKOLAJ G,SU;KALUGIN PETR A,SU
分类号
E21C27/02
主分类号
E21C27/02
代理机构
代理人
主权项
地址
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