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发明名称
REMOVABLE SEPARATING PLUG
摘要
申请公布号
RU2059790(C1)
申请公布日期
1996.05.10
申请号
RU19930010533
申请日期
1993.03.01
申请人
BARYSHEV ALEKSANDR D
发明人
BARYSHEV ALEKSANDR D
分类号
E21B33/16;(IPC1-7):E21B33/16
主分类号
E21B33/16
代理机构
代理人
主权项
地址
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