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发明名称
LOESBARE BOHRROHRVERBINDUNG
摘要
申请公布号
DE6600001(U)
申请公布日期
1969.01.02
申请号
DE19660000001U
申请日期
1968.06.07
申请人
KARL BAUER KG
发明人
分类号
E21B17/046
主分类号
E21B17/046
代理机构
代理人
主权项
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