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发明名称
Process and apparatus for treating oils
摘要
申请公布号
US1820125(A)
申请公布日期
1931.08.25
申请号
US19210480510
申请日期
1921.06.27
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
DUBBS CARBON P.
分类号
主分类号
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代理人
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