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发明名称
Power supply system for telephone line wires
摘要
申请公布号
GB9614401(D0)
申请公布日期
1996.09.04
申请号
GB19960014401
申请日期
1996.07.09
申请人
TELSPEC PLC
发明人
分类号
H04M19/00;H04M19/08;H04Q11/04
主分类号
H04M19/00
代理机构
代理人
主权项
地址
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