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发明名称
UN MÉTODO PERFECCIONADO PARA LA OBTENCIoN DE PAPEL ESPECIAL ANTIHIGROSCoPICO Y RESISTENTE
摘要
申请公布号
ES203146(A3)
申请公布日期
1952.07.01
申请号
ES19460002031
申请日期
1952.04.24
申请人
COMERCIAL MASPART, S.A.
发明人
分类号
(IPC1-7):D21
主分类号
(IPC1-7):D21
代理机构
代理人
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地址
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