Improvements in or relating to electric pulse code modulation systems,申请号GB19540020297-传众专利搜索

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发明名称	Improvements in or relating to electric pulse code modulation systems
摘要
申请公布号	GB750579(A)	申请公布日期	1956.06.20
申请号	GB19540020297	申请日期	1954.07.12
申请人	STANDARD TELEPHONES AND CABLES LIMITED	发明人	TREADWELL CYRIL GORDON
分类号	H04B14/04	主分类号	H04B14/04
代理机构		代理人
主权项
地址

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