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发明名称
Perfectionnements aux procédés et aux appareils pour la purification de l'huile
摘要
申请公布号
FR712469(A)
申请公布日期
1931.10.02
申请号
FRD712469
申请日期
1931.02.09
申请人
THE BUCKEYE TWIST DRILL COMPANY
发明人
分类号
C10M175/00
主分类号
C10M175/00
代理机构
代理人
主权项
地址
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