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经营范围
发明名称
Screened boot basket/filter
摘要
申请公布号
AU785411(B2)
申请公布日期
2007.05.03
申请号
AU20020037063
申请日期
2002.04.29
申请人
BAKER HUGHES INCORPORATED
发明人
GERALD D. LYNDE;GREGORY L. HERN
分类号
E21B37/00;E21B27/00;E21B31/08
主分类号
E21B37/00
代理机构
代理人
主权项
地址
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