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发明名称
Aparatos telefónicos de abonado.
摘要
申请公布号
ES8982(Y)
申请公布日期
1945.09.01
申请号
ES19820000089U
申请日期
1942.03.06
申请人
STANDARD ELÉCTRICA, S. A.
发明人
分类号
主分类号
代理机构
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