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发明名称
PERFECCIONAMIENTOS EN LA FABRICACIoN DE FIELTROS, ESPECIALMENTE DE FIBRAS DE VIDRIO U OTRAS FIBRAS MINERALES
摘要
申请公布号
ES178345(A1)
申请公布日期
1948.01.01
申请号
ES19450001783
申请日期
1947.06.06
申请人
S. A. DES MANUFACTURES DES TLACES ET PRODUITS DE SAINT COBAIN, CHAMEY & CIREG
发明人
分类号
(IPC1-7):B01
主分类号
(IPC1-7):B01
代理机构
代理人
主权项
地址
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