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经营范围
发明名称
Perfectionnements à la fabrication de filaments artificiels et de produits analogues
摘要
申请公布号
FR677928(A)
申请公布日期
1930.03.17
申请号
FRD677928
申请日期
1929.07.05
申请人
发明人
DREYFUS HENRY
分类号
D01D5/04
主分类号
D01D5/04
代理机构
代理人
主权项
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