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经营范围
发明名称
THREADED TUBULAR CONNECTION
摘要
申请公布号
GB2234308(A)
申请公布日期
1991.01.30
申请号
GB19900016595
申请日期
1990.07.27
申请人
* ADVANCED THREAD SYSTEMS, INC.
发明人
ERICH FRANK * KLEMENTICH
分类号
F16L15/00;E21B17/042;F16L15/06
主分类号
F16L15/00
代理机构
代理人
主权项
地址
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