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发明名称
APPARATUS FOR MAKING HOLES IN EARTH
摘要
申请公布号
SU968224(A1)
申请公布日期
1982.10.23
申请号
SU19813281983
申请日期
1981.04.24
申请人
MAKEEVSKIJ INZH-STR INSTITUT
发明人
PENCHUK VALENTIN A,SU;TIMOSHKO ALEKSANDR I,SU;GUBANOV SERGEJ M,SU;SHKROMADA ALEKSANDR A,SU;KHAJLOV IGOR G,SU
分类号
E02F5/18;E21B7/28;(IPC1-7):E02F5/18
主分类号
E02F5/18
代理机构
代理人
主权项
地址
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