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经营范围
发明名称
POWER RECOVERY CIRCUIT
摘要
申请公布号
GB8615781(D0)
申请公布日期
1986.08.06
申请号
GB19860015781
申请日期
1986.06.27
申请人
BRITISH TELECOMMUNICATIONS PLC
发明人
分类号
H04M19/08;(IPC1-7):H04M19/08
主分类号
H04M19/08
代理机构
代理人
主权项
地址
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