Volume compression and expansion in pulse code transmission,申请号US19560631806-传众专利搜索

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发明名称	Volume compression and expansion in pulse code transmission
摘要
申请公布号	US2889409(A)	申请公布日期	1959.06.02
申请号	US19560631806	申请日期	1956.12.31
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	CARBREY ROBERT L.
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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