A DEVICE FOR ADAPTATION OF A DECIMAL OR MULTIFREQUENCY CODE DIALLING KEYBOARD TO A CONVENTIONAL TELEPHONE SET,申请号GB19850015467-传众专利搜索

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发明名称	A DEVICE FOR ADAPTATION OF A DECIMAL OR MULTIFREQUENCY CODE DIALLING KEYBOARD TO A CONVENTIONAL TELEPHONE SET
摘要
申请公布号	GB2160745(B)	申请公布日期	1988.05.05
申请号	GB19850015467	申请日期	1985.06.19
申请人	SEMICONDUCTEURS SOC GEN	发明人	JEAN-JACQUES * RAYNAL
分类号	H04M1/30;(IPC1-7):H04M1/30	主分类号	H04M1/30
代理机构		代理人
主权项
地址

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