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发明名称
PROCEDIMIENTO PARA LA OBTENCIËN DE FILAMENTOS, PELICULAS O ARTICULOS PARECIDOS DE CELULOSA REGENERADA
摘要
申请公布号
ES239798(A3)
申请公布日期
1958.07.16
申请号
ES19980002397
申请日期
1958.01.21
申请人
LA SEDA DE BARCELONA, S.A.
发明人
分类号
D07B;(IPC1-7):D07B
主分类号
D07B
代理机构
代理人
主权项
地址
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