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发明名称
Loesbare Sicherheitsverbindung fuer Tiefbohrstraenge
摘要
申请公布号
DE1076596(B)
申请公布日期
1960.03.03
申请号
DE1958W022835
申请日期
1958.02.24
申请人
KENNETH EDWARD WAGGENER;ROSS AUGUSTUS MCCLINTOCK;RAYMOND ELLIS THOMPSON
发明人
WAGGENER KENNETH EDWARD;MCCLINTOCK ROSS AUGUSTUS;THOMPSON RAYMOND ELLIS
分类号
E21B17/06
主分类号
E21B17/06
代理机构
代理人
主权项
地址
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