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发明名称
Visor plegable para diapositivas y películas
摘要
申请公布号
ES34428(Y)
申请公布日期
1954.04.01
申请号
ES19280000344U
申请日期
1953.01.24
申请人
LERROUX ROMO DE OCA, AURELIO
发明人
分类号
主分类号
代理机构
代理人
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