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经营范围
发明名称
Asphalt hydrogenation process
摘要
申请公布号
US2950242(A)
申请公布日期
1960.08.23
申请号
US19570688449
申请日期
1957.10.07
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
THORPE CHARLES L.;HEINRICH RAYMOND L.;HOFFMAN EDWARD J.;JR. JAMES A. ANDERSON,
分类号
C10G47/00
主分类号
C10G47/00
代理机构
代理人
主权项
地址
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