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经营范围
发明名称
ROHRGREIFKONSTRUKTION MIT LASTRING
摘要
申请公布号
DE60315800(D1)
申请公布日期
2007.10.04
申请号
DE2003615800
申请日期
2003.01.03
申请人
VARCO I/P INC.
发明人
MASON, DAVID;DE PONT, ALBERT P.;VAN RIJZINGEN, HANS;KRIJNEN, ANTON;DE LAAT, CORNELIS W.
分类号
E21B19/10;F16B2/06
主分类号
E21B19/10
代理机构
代理人
主权项
地址
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