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经营范围
发明名称
Process of purifying hydrocarbons
摘要
申请公布号
US1777619(A)
申请公布日期
1930.10.07
申请号
US19270217804
申请日期
1927.09.06
申请人
RICHFIELD OIL COMPANY OF CALIFORNIA
发明人
LOW WILSON H.
分类号
C10G19/06
主分类号
C10G19/06
代理机构
代理人
主权项
地址
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