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经营范围
发明名称
Treatment of hydrocarbon oils
摘要
申请公布号
US2195833(A)
申请公布日期
1940.04.02
申请号
US19370166569
申请日期
1937.09.30
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
WIRTH CHARLES
分类号
C10G31/08;C10G33/06
主分类号
C10G31/08
代理机构
代理人
主权项
地址
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