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经营范围
发明名称
Procédé d'étirage de filaments artificiels
摘要
申请公布号
BE519227(A)
申请公布日期
1953.10.15
申请号
BE19530519227
申请日期
1953.04.15
申请人
ANGEL FERRETTI;AMERICAN PATENTS CORP
发明人
分类号
D01D10/04;D01F4/00
主分类号
D01D10/04
代理机构
代理人
主权项
地址
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