TELEPHONE TRANSMISSION SYSTEM,申请号GB19740033805-传众专利搜索

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发明名称	TELEPHONE TRANSMISSION SYSTEM
摘要
申请公布号	GB1475800(A)	申请公布日期	1977.06.10
申请号	GB19740033805	申请日期	1974.07.31
申请人	RELIANCE TELECOMMUNICATION ELECTRONICS CO	发明人
分类号	H04M19/08;(IPC1-7):H04M1/60	主分类号	H04M19/08
代理机构		代理人
主权项
地址

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