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经营范围
发明名称
Perfectionnements aux appareils pour la fabrication des filaments ou fibres artificiels
摘要
申请公布号
FR686331(A)
申请公布日期
1930.07.24
申请号
FRD686331
申请日期
1929.12.09
申请人
发明人
DREYFUS HENRY
分类号
D01D4/02
主分类号
D01D4/02
代理机构
代理人
主权项
地址
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