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发明名称
Asphalt compositions
摘要
申请公布号
US2697667(A)
申请公布日期
1954.12.21
申请号
US19510232460
申请日期
1951.06.19
申请人
SHELL DEVELOPMENT COMPANY
发明人
HOOGSTRAATEN JACQUES PIETER GERARD
分类号
C08K5/098
主分类号
C08K5/098
代理机构
代理人
主权项
地址
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