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经营范围
发明名称
TUNNELING MACHINE
摘要
申请公布号
SU757702(A1)
申请公布日期
1980.08.23
申请号
SU19782621155
申请日期
1978.06.01
申请人
GNI PK P UGOLNYJ INSTITUT
发明人
MALEVICH NIKOLAJ A,SU;PIKIN IGOR ,SU;GRISHIN NIKOLAJ P,SU;MATVEENKO PETR YA,SU
分类号
E21C27/24;(IPC1-7):E21C27/24;E21C11/02
主分类号
E21C27/24
代理机构
代理人
主权项
地址
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