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发明名称
Method of refining oil, refining agent therefor, and method of producing same
摘要
申请公布号
US1744610(A)
申请公布日期
1930.01.21
申请号
US19240710026
申请日期
1924.04.30
申请人
BOYKIN ROBERT O
发明人
BOYKIN ROBERT O.
分类号
C01B33/40
主分类号
C01B33/40
代理机构
代理人
主权项
地址
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