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发明名称
EMERGENCY DETACHMENT APPARATUS
摘要
申请公布号
SU730961(A1)
申请公布日期
1980.04.30
申请号
SU19752198488
申请日期
1975.12.09
申请人
DO G P K EXI KOMPLEKSNOJ MEKH SHAKHT "DONGIPROUGLEMASH"
发明人
POPOV IGOR S,SU;MARTYANOV YURIJ A,SU
分类号
E21B17/06;(IPC1-7):E21C15/00
主分类号
E21B17/06
代理机构
代理人
主权项
地址
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