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发明名称
CORE BREAK-OFF DEVICE
摘要
申请公布号
SU802518(A1)
申请公布日期
1981.02.07
申请号
SU19792717507
申请日期
1979.01.22
申请人
VNII BUROVOJ TEKHNIKI
发明人
PAVLOV NIKOLAJ G,SU;EDELMAN YAKOV A,SU
分类号
E21B25/10;(IPC1-7):E21B25/10
主分类号
E21B25/10
代理机构
代理人
主权项
地址
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