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发明名称
Conversion of hydrocarbon oils
摘要
申请公布号
US2272285(A)
申请公布日期
1942.02.10
申请号
US19380192520
申请日期
1938.02.25
申请人
UNIVERSAL OIL PRODUCTS COMPANY
发明人
ANGELL CHARLES H.
分类号
主分类号
代理机构
代理人
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