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发明名称
Asphalt production
摘要
申请公布号
US2690418(A)
申请公布日期
1954.09.28
申请号
US19520279914
申请日期
1952.04.01
申请人
STANDARD OIL DEVELOPMENT COMPANY
发明人
YOUNG DAVID W.;FRANKLIN HENRY J.
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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