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发明名称
Dispositivo aplicable a aparatos telefónicos destinados a, contener direcciones y números de teléfonos.
摘要
申请公布号
ES13990(U)
申请公布日期
1947.01.01
申请号
ES19900000139U
申请日期
1946.11.14
申请人
SIERRA GONZÁLEZ, JAVIER
发明人
分类号
主分类号
代理机构
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