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发明名称
PERFECCIONAMIENTOS EN LOS DISPOSITIVOS TELEMÉTRICOS oPTICOS DE PROXIMIDAD
摘要
申请公布号
ES231178(A1)
申请公布日期
1957.03.16
申请号
ES19780002311
申请日期
1956.10.04
申请人
MARTIN, ALPHONSE
发明人
分类号
(IPC1-7):G01
主分类号
(IPC1-7):G01
代理机构
代理人
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