Communication system employing pulse code modulation,申请号US19450637386-传众专利搜索

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发明名称	Communication system employing pulse code modulation
摘要
申请公布号	US2437707(A)	申请公布日期	1948.03.16
申请号	US19450637386	申请日期	1945.12.27
申请人	BELL TELEPHONE LABORATORIES, INCORPORATED	发明人	PIERCE JOHN R.
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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