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经营范围
发明名称
PROCEDIMIENTO PERFECCIONADO PARA LA PRODUCCIËN DE ARTICULOS DE CELULOSA REGENERADA
摘要
申请公布号
ES237507(A3)
申请公布日期
1958.04.01
申请号
ES19070002375
申请日期
1957.09.09
申请人
E. I DU PONT DE NEMOURS & CO.
发明人
分类号
(IPC1-7):D21
主分类号
(IPC1-7):D21
代理机构
代理人
主权项
地址
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