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发明名称
COMBINED EMERGENCY DISCONNECTOR
摘要
申请公布号
SU588338(A1)
申请公布日期
1978.01.15
申请号
SU19701432743
申请日期
1970.04.21
申请人
POKALCHUK ALEKSEJ S,SU
发明人
POKALCHUK ALEKSEJ S,SU
分类号
E21B17/06;(IPC1-7):E21B17/06
主分类号
E21B17/06
代理机构
代理人
主权项
地址
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