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发明名称
Subsea oilfield equipment protection
摘要
申请公布号
GB9517984(D0)
申请公布日期
1995.11.08
申请号
GB19950017984
申请日期
1995.09.02
申请人
FMC CORPORATION
发明人
分类号
E21B33/037
主分类号
E21B33/037
代理机构
代理人
主权项
地址
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