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经营范围
发明名称
Composition contenant des substances bitumineuses et procédé de sa préparation
摘要
申请公布号
FR1512379(A)
申请公布日期
1968.02.09
申请号
FR19660088074
申请日期
1966.12.20
申请人
PRODUCTS DEVELOPMENT CO.
发明人
分类号
C08K3/22
主分类号
C08K3/22
代理机构
代理人
主权项
地址
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