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发明名称
BISAGRA PERFECCIONADA PARA EL PLEGADO DE ESCALERAS DE MANO
摘要
申请公布号
ES253310(Y)
申请公布日期
1981.11.16
申请号
ES20100002533U
申请日期
1980.10.03
申请人
发明人
分类号
E06C7/50;(IPC1-7):06C7/50
主分类号
E06C7/50
代理机构
代理人
主权项
地址
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