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发明名称
DISPOSITIVO DE SUJECION DE PELDANOS, EN LAS ESCALAS DE EMERGENCIA.
摘要
申请公布号
ES143985(Y)
申请公布日期
1970.01.01
申请号
ES19680143985U
申请日期
1968.12.12
申请人
RODRIGUEZ ALEJANDRO
发明人
分类号
E06C
主分类号
E06C
代理机构
代理人
主权项
地址
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