TRUNK CIRCUIT CONTROL SYSTEM FOR KEY TELEPHONE,申请号JP19770105930-传众专利搜索

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发明名称	TRUNK CIRCUIT CONTROL SYSTEM FOR KEY TELEPHONE
摘要
申请公布号	JPS5439505(A)	申请公布日期	1979.03.27
申请号	JP19770105930	申请日期	1977.09.05
申请人	KANDA TSUSHIN KOGYO KK	发明人	YUI TAKAHIRO
分类号	H04Q3/58;H04M1/72;H04Q3/62	主分类号	H04Q3/58
代理机构		代理人
主权项
地址

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