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发明名称
FISHING TOOL
摘要
申请公布号
SU651115(A1)
申请公布日期
1979.03.05
申请号
SU19772523911
申请日期
1977.06.13
申请人
BRUSS NI GEOLOGORAZVEDOCHNYJ INSTITUT
发明人
BABETS NIKOLAJ A,SU;NECHAEV NIKOLAJ D,SU
分类号
E21B31/00;(IPC1-7):E21B31/00
主分类号
E21B31/00
代理机构
代理人
主权项
地址
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