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发明名称
BOTON DE LLAMADA PARA INSTALACIONES DE ASCENSOR.
摘要
申请公布号
ES220630(Y)
申请公布日期
1977.02.16
申请号
ES19300002206U
申请日期
1976.04.30
申请人
发明人
分类号
B66B;B66B1/06;B66B1/46;H03K;(IPC1-7):66B/
主分类号
B66B
代理机构
代理人
主权项
地址
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