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发明名称
Asphalt and process for manufacturing same
摘要
申请公布号
US2764523(A)
申请公布日期
1956.09.25
申请号
US19520287034
申请日期
1952.05.09
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
COTTLE DELMER L.;YOUNG DAVID W.;EDSON MURRAY H.
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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