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发明名称
Motor seal
摘要
申请公布号
GB0719024(D0)
申请公布日期
2007.11.07
申请号
GB20070019024
申请日期
2007.09.28
申请人
WEATHERFORD/LAMB INC.
发明人
分类号
主分类号
代理机构
代理人
主权项
地址
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