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发明名称
Insulating device ans assembly
摘要
申请公布号
GB0330071(D0)
申请公布日期
2004.02.04
申请号
GB20030030071
申请日期
2002.07.01
申请人
MAXWELL DOWNHOLE TECHNOLOGY LIMITED
发明人
分类号
E21B17/02;F16L25/02
主分类号
E21B17/02
代理机构
代理人
主权项
地址
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