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发明名称
CAMPAINHA DE CORRENTE ALTERNADA PARA APARELHO TELEFONICO
摘要
申请公布号
BR7805997(A)
申请公布日期
1979.04.24
申请号
BR19780005997
申请日期
1978.09.14
申请人
SIEMENS AG
发明人
GEESE A;GERLACH H
分类号
G10K1/064;(IPC1-7):G10K9/14
主分类号
G10K1/064
代理机构
代理人
主权项
地址
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