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发明名称
Procédé pour l'amélioration de certains goudrons de pin
摘要
申请公布号
FR972287(A)
申请公布日期
1951.01.29
申请号
FRD972287
申请日期
1941.01.17
申请人
MANUFACTURE LANDAISE DE PRODUITS CHIMIQUES
发明人
分类号
C08L93/00
主分类号
C08L93/00
代理机构
代理人
主权项
地址
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