DIAL UNITS FOR TELEPHONE SETS,申请号GB19790000555-传众专利搜索

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发明名称	DIAL UNITS FOR TELEPHONE SETS
摘要
申请公布号	GB2048015(A)	申请公布日期	1980.12.03
申请号	GB19790000555	申请日期	1979.01.08
申请人	PLESSEY CO LTD	发明人
分类号	H04M1/23;H04M1/31;(IPC1-7):H04M1/31	主分类号	H04M1/23
代理机构		代理人
主权项
地址

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