Feeder for ancillary telephone,申请号CH19750013567-传众专利搜索

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发明名称	Feeder for ancillary telephone
摘要	Feeder for ancillary telephone avoids speech interference by use of anti-parallel diode chains and capacitor in parallel with rectifier
申请公布号	CH594330(A5)	申请公布日期	1978.01.13
申请号	CH19750013567	申请日期	1975.10.20
申请人	SODECO-SAIA AG	发明人	WILHELM KNUESLI
分类号	H04M19/08;(IPC1-7):H04M19/08	主分类号	H04M19/08
代理机构		代理人
主权项
地址

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