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经营范围
发明名称
Process for improving oils
摘要
申请公布号
US2249524(A)
申请公布日期
1941.07.15
申请号
US19390253226
申请日期
1939.01.27
申请人
DISTILLATION PRODUCTS, INC.
发明人
HICKMAN KENNETH C. D.;HECKER JOHN C.
分类号
C11B3/12
主分类号
C11B3/12
代理机构
代理人
主权项
地址
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