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发明名称
Joint fileté pour tubes
摘要
申请公布号
FR1281043(A)
申请公布日期
1962.01.08
申请号
FR19610852836
申请日期
1961.02.15
申请人
UNITED STATES STEEL CORPORATION
发明人
分类号
E21B17/042;F16L15/06
主分类号
E21B17/042
代理机构
代理人
主权项
地址
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