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发明名称
Rohrförmige Kupplungsvorrichtung.
摘要
申请公布号
DE3750289(T2)
申请公布日期
1994.12.08
申请号
DE19873750289T
申请日期
1987.08.11
申请人
COOPER INDUSTRIES, INC., HOUSTON, TEX., US
发明人
GALLE, GARY L., HOUSTON TEXAS 77095, US;BERNER, PAUL C., JR., HOUSTON TEXAS 77005, US
分类号
E21B17/043;E21B17/02;E21B23/04;E21B33/038;E21B43/013;F16L37/00;(IPC1-7):E21B33/038
主分类号
E21B17/043
代理机构
代理人
主权项
地址
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