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经营范围
发明名称
A wellhead arrangement
摘要
申请公布号
GB9917074(D0)
申请公布日期
1999.09.22
申请号
GB19990017074
申请日期
1999.07.22
申请人
PLEXUS OCEAN SYSTEMS LIMITED
发明人
分类号
E21B33/04
主分类号
E21B33/04
代理机构
代理人
主权项
地址
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