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发明名称
Tension lock multibowl wellhead
摘要
申请公布号
SG5094(G)
申请公布日期
1994.04.15
申请号
SG19940000050
申请日期
1994.01.15
申请人
ABB VETCO GRAY INC.
发明人
NOBILEAU PHILIPPE C
分类号
F16B2/14;(IPC1-7):F16B2/14
主分类号
F16B2/14
代理机构
代理人
主权项
地址
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