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发明名称
Process of refining petroleum oils
摘要
申请公布号
US2050345(A)
申请公布日期
1936.08.11
申请号
US19330680080
申请日期
1933.07.12
申请人
L. SONNEBORN SONS, INC.
发明人
LIBERTHSON LEO
分类号
C10G17/06
主分类号
C10G17/06
代理机构
代理人
主权项
地址
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