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发明名称
Procédé d'obtention de résines de pétrole à l'aide de fractions extraites par solvant
摘要
申请公布号
FR1148381(A)
申请公布日期
1957.12.06
申请号
FRD1148381
申请日期
1956.05.07
申请人
ESSO RESEARCH AND ENGINEERING COMPANY
发明人
分类号
C08F240/00
主分类号
C08F240/00
代理机构
代理人
主权项
地址
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