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发明名称
Bituminous composition
摘要
申请公布号
US2582824(A)
申请公布日期
1952.01.15
申请号
US19480016632
申请日期
1948.03.23
申请人
SHELL DEVELOPMENT COMPANY
发明人
FOWKES FREDERICK M.
分类号
C08K5/17
主分类号
C08K5/17
代理机构
代理人
主权项
地址
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