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经营范围
发明名称
Adjustable casing hanger
摘要
申请公布号
GB9525512(D0)
申请公布日期
1996.02.14
申请号
GB19950025512
申请日期
1995.12.14
申请人
FMC CORPORATION
发明人
分类号
E21B33/04;F16L37/088
主分类号
E21B33/04
代理机构
代理人
主权项
地址
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