SYNTHESIZER OF MULTIFREQUENCY CODE SIGNALS FOR A KEYBOARD TYPE TELEPHONE STATION,申请号GB19750040018-传众专利搜索

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发明名称	SYNTHESIZER OF MULTIFREQUENCY CODE SIGNALS FOR A KEYBOARD TYPE TELEPHONE STATION
摘要
申请公布号	GB1510646(A)	申请公布日期	1978.05.10
申请号	GB19750040018	申请日期	1975.09.30
申请人	ROCHE B;MAJOS J;LARDY J	发明人
分类号	H03K3/80;H04M1/50;(IPC1-7):H04M1/50	主分类号	H03K3/80
代理机构		代理人
主权项
地址

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