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经营范围
发明名称
Rohrförmige Kupplung.
摘要
申请公布号
DE3883428(T2)
申请公布日期
1993.12.09
申请号
DE19883883428T
申请日期
1988.01.11
申请人
COOPER INDUSTRIES, INC., HOUSTON, TEX., US
发明人
THEISS, DAVID H., HOUSTON TEXAS 77092, US;MCEVER, JAMES P., CYPRESS TEXAS 77429, US
分类号
E21B17/042;E21B33/038;E21B33/043;(IPC1-7):E21B33/038;F16L37/00
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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