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发明名称
Handsfree telephone system
摘要
申请公布号
GB2137454(A)
申请公布日期
1984.10.03
申请号
GB19830005573
申请日期
1983.03.01
申请人
* STANDARD TELEPHONES AND CABLES PUBLIC LIMITED COMPANY
发明人
JOSEPH HOOD * MCNEILLY;BJORN NAPIER * HANSEN
分类号
H04M3/40;H04M9/08;H04Q11/04;(IPC1-7):H04M3/42
主分类号
H04M3/40
代理机构
代理人
主权项
地址
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