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发明名称
TELEPHONE LINE CIRCUIT
摘要
申请公布号
HK32385(A)
申请公布日期
1985.05.03
申请号
HK19850000323
申请日期
1985.04.25
申请人
INT STANDARD ELECTRIC CORP
发明人
RAMON CON WOO CHEA
分类号
H04B3/50;H04M19/00;(IPC1-7):H04M19/00
主分类号
H04B3/50
代理机构
代理人
主权项
地址
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