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经营范围
发明名称
Drilling mud collector for a slip joint of a riser
摘要
申请公布号
GB0913807(D0)
申请公布日期
2009.09.16
申请号
GB20090013807
申请日期
2008.01.10
申请人
BLAFRO TOOLS AS
发明人
分类号
主分类号
代理机构
代理人
主权项
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