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发明名称
EXCAVATING MACHINERY SET
摘要
申请公布号
SU916754(A1)
申请公布日期
1982.03.30
申请号
SU19802973712
申请日期
1980.08.22
申请人
DO NI UGOLNYJ INSTITUT
发明人
PROYAVKIN EVGENIJ T,SU;LEVKOVICH PAVEL E,SU;SAKHNO VASILIJ N,SU;PODOLYAKO NIKOLAJ I,SU
分类号
E21C27/32;(IPC1-7):E21C27/32
主分类号
E21C27/32
代理机构
代理人
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地址
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