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经营范围
发明名称
émulsion bitumineuse et son procédé de préparation
摘要
申请公布号
FR732463(A)
申请公布日期
1932.09.21
申请号
FRD732463
申请日期
1932.02.29
申请人
BITUMEN INVESTMENTS INCORPORATED
发明人
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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