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发明名称
Process for the preparation of age resistant asphalt compositions
摘要
申请公布号
US2904494(A)
申请公布日期
1959.09.15
申请号
US19550528339
申请日期
1955.08.15
申请人
SHELL DEVELOPMENT COMPANY
发明人
GRIFFIN RAYMOND L.
分类号
C10C3/00
主分类号
C10C3/00
代理机构
代理人
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