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经营范围
发明名称
PORTA-DIAPOSITIVAS MEJORADO.
摘要
申请公布号
ES145435(Y)
申请公布日期
1970.07.01
申请号
ES19690145435U
申请日期
1969.02.08
申请人
PEREZ PALACIOS
发明人
分类号
G03C
主分类号
G03C
代理机构
代理人
主权项
地址
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