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发明名称
DIGITAL-TIL-ANALOG KONVERTERING
摘要
申请公布号
DK284490(A)
申请公布日期
1990.11.29
申请号
DK19900002844
申请日期
1990.11.29
申请人
BRITISH TELECOMMUNICATIONS PLC.
发明人
FRANCA, JOSE DE ALBUQUERQUE EPIFANIO DA;VITAL, JOAO PAULO CALADO CORDEIRO;LEME, CARLOS MEXIA DE ALMEIDA DE AZEREDO
分类号
H03M1/66;H03H17/00;H03H19/00;H03M1/82;(IPC1-7):H03M1/66
主分类号
H03M1/66
代理机构
代理人
主权项
地址
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