DEVICE FOR MEASURING QUALITY OF AUDIO FREQUENCY CHANNEL,申请号SU19853929463-传众专利搜索

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发明名称	DEVICE FOR MEASURING QUALITY OF AUDIO FREQUENCY CHANNEL
摘要
申请公布号	SU1283987(A1)	申请公布日期	1987.01.15
申请号	SU19853929463	申请日期	1985.05.06
申请人	YURGENSON VLADIMIR R,SU	发明人	YURGENSON VLADIMIR R,SU
分类号	H04B3/46	主分类号	H04B3/46
代理机构		代理人
主权项
地址

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