Improvements in or relating to apparatus for indicating abnormal functioning of one (or more) electrical device(s),申请号GB19540023143-传众专利搜索

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发明名称	Improvements in or relating to apparatus for indicating abnormal functioning of one (or more) electrical device(s)
摘要
申请公布号	GB764096(A)	申请公布日期	1956.12.19
申请号	GB19540023143	申请日期	1954.08.09
申请人	TELEFONAKTIEBOLAGET L M ERICSSON	发明人
分类号	H04M3/08	主分类号	H04M3/08
代理机构		代理人
主权项
地址

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