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发明名称
PROCEDIMIENTO PARA LA PREPARACION DE NUEVOS PRODUCTOS ORGANICOS
摘要
申请公布号
ES123629(A1)
申请公布日期
1931.11.16
申请号
ES19290001236
申请日期
1931.07.15
申请人
E. I DU PONT DE NEMOURS & CO.
发明人
分类号
(IPC1-7):A23
主分类号
(IPC1-7):A23
代理机构
代理人
主权项
地址
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