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发明名称
MEJORAS EN O RELATIVAS A LA PRODUCCIoN DE HILOS O FIBRAS ARTIFICIALES
摘要
申请公布号
ES191390(A1)
申请公布日期
1950.05.16
申请号
ES19900001913
申请日期
1950.01.25
申请人
S.A DE FIBRAS ARTIFICIALES (S. A. F. A.)
发明人
分类号
(IPC1-7):D01
主分类号
(IPC1-7):D01
代理机构
代理人
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地址
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