Asymmetrical delta modulation system,申请号US19550513721-传众专利搜索

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发明名称	Asymmetrical delta modulation system
摘要
申请公布号	US2817061(A)	申请公布日期	1957.12.17
申请号	US19550513721	申请日期	1955.06.07
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	BOWERS FRITZ K.
分类号	H03M3/02	主分类号	H03M3/02
代理机构		代理人
主权项
地址

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