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经营范围
发明名称
Asphaltic molding material
摘要
申请公布号
US2446903(A)
申请公布日期
1948.08.10
申请号
US19470725173
申请日期
1947.01.29
申请人
FRED A. KRAUSE
发明人
BRIGHT ELVIN M.
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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