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发明名称
Stress relieving joints for pipes
摘要
申请公布号
EP0898047(A3)
申请公布日期
1999.07.21
申请号
EP19980306580
申请日期
1998.08.18
申请人
DEEP OIL TECHNOLOGY, INCORPORATED
发明人
DAVIES, RICHARD LLOYD;FINN, LYLE DAVID
分类号
E02B17/02;E21B17/00;E21B17/01;(IPC1-7):E21B19/00;E21B43/01
主分类号
E02B17/02
代理机构
代理人
主权项
地址
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