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发明名称
Telephone circuit
摘要
申请公布号
GB2163320(A)
申请公布日期
1986.02.19
申请号
GB19840020592
申请日期
1984.08.14
申请人
* STC PLC
发明人
PETER FRED * BLOMLEY;ANDREW PAUL * LEFEVRE
分类号
H04M19/04;(IPC1-7):H04M1/60
主分类号
H04M19/04
代理机构
代理人
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