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发明名称
Nuevo elemento de encuadernación
摘要
申请公布号
ES33583(Y)
申请公布日期
1957.01.16
申请号
ES19830000335U
申请日期
1952.11.26
申请人
REDONDO HERMANOS, S. R. C.
发明人
分类号
主分类号
代理机构
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