Telephonic pulse-code-modulation system,申请号US19490129226-传众专利搜索

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发明名称	Telephonic pulse-code-modulation system
摘要
申请公布号	US2647238(A)	申请公布日期	1953.07.28
申请号	US19490129226	申请日期	1949.11.25
申请人	HARTFORD NATIONAL BANK AND TRUST COMPANY	发明人	BAILEY CHRISTOPHER EDMUND GERVASE
分类号	H03M1/00	主分类号	H03M1/00
代理机构		代理人
主权项
地址

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