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经营范围
发明名称
Bituminous emulsions
摘要
申请公布号
US2521542(A)
申请公布日期
1950.09.05
申请号
US19470736111
申请日期
1947.03.20
申请人
THE PATENT AND LICENSING CORPORATION
发明人
SCHWARZ WALTER J.
分类号
C08L95/00
主分类号
C08L95/00
代理机构
代理人
主权项
地址
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