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经营范围
发明名称
Nouveau fil à coudre et son procédé de fabrication
摘要
申请公布号
FR843633(A)
申请公布日期
1939.07.06
申请号
FRD843633
申请日期
1938.09.19
申请人
E. I. DU PONT DE NEMOURS AND CO
发明人
分类号
D01F6/60
主分类号
D01F6/60
代理机构
代理人
主权项
地址
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