TRANSFORMERLESS TRUNK CIRCUIT,申请号GB19780033899-传众专利搜索

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发明名称	TRANSFORMERLESS TRUNK CIRCUIT
摘要
申请公布号	GB2016242(B)	申请公布日期	1982.12.22
申请号	GB19780033899	申请日期	1978.08.18
申请人	MITEL CORP	发明人
分类号	H03F3/62;H03H7/42;H03H11/32;H04B1/58;H04B3/36;H04M7/00;H04M7/04;H04M7/10;H04M19/00;H04Q3/42;(IPC1-7):H04M19/00	主分类号	H03F3/62
代理机构		代理人
主权项
地址

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