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发明名称
Treatment of petroleum bituminous materials
摘要
申请公布号
US2175189(A)
申请公布日期
1939.10.10
申请号
US19360116127
申请日期
1936.12.16
申请人
THE ATLANTIC REFINING COMPANY
发明人
GAMBRILL JAMES E.
分类号
C10C3/02
主分类号
C10C3/02
代理机构
代理人
主权项
地址
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