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发明名称
MAGNETIC FISHING TOOL
摘要
申请公布号
SU688602(A1)
申请公布日期
1979.09.30
申请号
SU19782617996
申请日期
1978.05.17
申请人
KUZBASSKIJ POLT INSTITUT
发明人
KURNIKOV YURIJ A,SU;KOBYLYANSKIJ MIKHAIL T,SU;MARTYNOV GEORGIJ A,SU;DERGUNOV DMITRIJ M,SU
分类号
E21B31/06;(IPC1-7):E21B31/06
主分类号
E21B31/06
代理机构
代理人
主权项
地址
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