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发明名称
Amélioration de la couleur des résines de pétrole
摘要
申请公布号
FR1186926(A)
申请公布日期
1959.09.03
申请号
FRD1186926
申请日期
1957.04.05
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
分类号
C08F2/00;C08F240/00
主分类号
C08F2/00
代理机构
代理人
主权项
地址
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