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经营范围
发明名称
Procédé et appareil pour la fabrication de filaments artificiels, fils rubans, etc., par l'extrudage de solutions d'esters ou d'éthers de cellulose
摘要
申请公布号
FR722631(A)
申请公布日期
1932.03.22
申请号
FRD722631
申请日期
1931.08.28
申请人
发明人
DREYFUS HENRY
分类号
D01F2/30
主分类号
D01F2/30
代理机构
代理人
主权项
地址
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