SUBSCRIBER CONNECTING CIRCUIT HAVING GROUND BUTTON OPERATION INDICATOR* POWER SUPPLY CAPABLE OF SWITCHING TO HIGH RESISTANCE AND CALLING SIGNAL GENERATOR,申请号JP19800036333-传众专利搜索

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发明名称	SUBSCRIBER CONNECTING CIRCUIT HAVING GROUND BUTTON OPERATION INDICATOR* POWER SUPPLY CAPABLE OF SWITCHING TO HIGH RESISTANCE AND CALLING SIGNAL GENERATOR
摘要
申请公布号	JPS55128994(A)	申请公布日期	1980.10.06
申请号	JP19800036333	申请日期	1980.03.24
申请人	SIEMENS AG	发明人	ROOBERUTO REHINAA
分类号	H04Q3/72;H04M3/22;H04M19/02;H04Q1/20;H04Q1/44;H04Q3/00	主分类号	H04Q3/72
代理机构		代理人
主权项
地址

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