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经营范围
发明名称
Perfectionnements aux compositions bitumineuses
摘要
申请公布号
FR679598(A)
申请公布日期
1930.04.15
申请号
FRD679598
申请日期
1929.07.31
申请人
发明人
KING THOMAS FRASER
分类号
C08L95/00;E01C7/18;E01C7/35
主分类号
C08L95/00
代理机构
代理人
主权项
地址
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