Parannuksia numeeristen signaalien siirrossa puhelinjärjestelmässä,申请号FI19570000432-传众专利搜索

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发明名称	Parannuksia numeeristen signaalien siirrossa puhelinjärjestelmässä
摘要
申请公布号	FI33946(A)	申请公布日期	1964.02.10
申请号	FI19570000432	申请日期	1957.03.13
申请人	OY L.M. ERICSSON AB	发明人	EK FOLKE
分类号	H04Q3/47;(IPC1-7):H04Q3/47	主分类号	H04Q3/47
代理机构		代理人
主权项
地址

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