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发明名称
PROCEDE POUR LA PREPARATION DE NOUVEAUX COMPOSES DE COUMARINE ET DE DERIVES DE CES DERNIERS.
摘要
申请公布号
BE507176(A1)
申请公布日期
1953.04.10
申请号
BE19510507176
申请日期
1951.11.16
申请人
PRODUITS ROCHE S.A.
发明人
分类号
主分类号
代理机构
代理人
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