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发明名称
PROCEDIMIENTO DE BLANQUEO DE PULPA DE MADERA MECANICAMENTE DESINTEGRADA
摘要
申请公布号
ES229142(A3)
申请公布日期
1956.10.01
申请号
ES19420002291
申请日期
1956.06.11
申请人
PORTU YARZA, ENRIQUE
发明人
分类号
(IPC1-7):B27
主分类号
(IPC1-7):B27
代理机构
代理人
主权项
地址
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