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发明名称
MAGNETIC WELL ACTIVATOR
摘要
申请公布号
RU2047739(C1)
申请公布日期
1995.11.10
申请号
SU19925031375
申请日期
1992.01.31
申请人
KULAKOV ANATOLIJ VASILEVICH
发明人
KULAKOV ANATOLIJ VASILEVICH
分类号
E21B37/00;(IPC1-7):E21B37/00
主分类号
E21B37/00
代理机构
代理人
主权项
地址
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