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发明名称
Justerbare roterbare ledeanordninger for spider eller heis
摘要
申请公布号
NO20054341(D0)
申请公布日期
2005.09.20
申请号
NO20050004341
申请日期
2005.09.20
申请人
WEATHERFORD/LAMB INC
发明人
SHAHIN DAVID OTHMAN
分类号
E21B19/10;(IPC1-7):E21B
主分类号
E21B19/10
代理机构
代理人
主权项
地址
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