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发明名称
WORKING MEMBER OF ENTRY-DRIVING CUTTER-LOADER
摘要
申请公布号
SU848626(A1)
申请公布日期
1981.07.23
申请号
SU19792796829
申请日期
1979.07.13
申请人
VNI PK UGOLNYJ INSTITUT
发明人
TRUKHIN PETR M,SU;CHETVERNIN GENNADIJ YU,SU;RUSYAJKIN IVAN P,SU;MARKMAN LEV D,SU
分类号
E21C27/22;(IPC1-7):E21C27/22
主分类号
E21C27/22
代理机构
代理人
主权项
地址
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