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经营范围
发明名称
SNAP TYPE PIPE COUPLING
摘要
申请公布号
GB2156467(B)
申请公布日期
1987.12.02
申请号
GB19850006402
申请日期
1985.03.12
申请人
* VETCO OFFSHORE INC
发明人
JOSEPH WILLIAM * PALLINI;DAVID JEFFREY * ROHWELLER
分类号
E21B17/08;F16L37/088;(IPC1-7):F16L21/08
主分类号
E21B17/08
代理机构
代理人
主权项
地址
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