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发明名称
Bituminous composition
摘要
申请公布号
US2507629(A)
申请公布日期
1950.05.16
申请号
US19470743731
申请日期
1947.04.24
申请人
GALLAGHER ASPHALT COMPANY, INC.
发明人
GALLAGHER JAMES F.
分类号
E01C7/26
主分类号
E01C7/26
代理机构
代理人
主权项
地址
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