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发明名称
Spooler assembly, hydraulic cylinder, and spooling method
摘要
申请公布号
EP1679278(A3)
申请公布日期
2007.08.08
申请号
EP20060250077
申请日期
2006.01.09
申请人
NATIONAL-OILWELL, L.P.
发明人
TALEN, RONALD
分类号
B65H54/28;B66D1/38;F15B15/20
主分类号
B65H54/28
代理机构
代理人
主权项
地址
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