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发明名称
VORRICHTUNG ZUM VERBINDEN VON ZWEI ROHREN EINES RISERSTRANGES
摘要
申请公布号
DE2714830(A1)
申请公布日期
1978.10.05
申请号
DE19772714830
申请日期
1977.04.02
申请人
J.M. VOITH GMBH
发明人
BOSCH,TOIVO
分类号
E21B17/08;F16L27/111;(IPC1-7):E21B7/12;E21B17/04
主分类号
E21B17/08
代理机构
代理人
主权项
地址
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