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发明名称
Perfectionnements à la fabrication ou au traitement de filaments artificiels, fils, filés, rubans et matières analogues
摘要
申请公布号
FR757224(A)
申请公布日期
1933.12.21
申请号
FRD757224
申请日期
1933.06.19
申请人
发明人
DREYFUS HENRY
分类号
D01F2/28;F16L41/02
主分类号
D01F2/28
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代理人
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