Improvements in and relating to lock-out circuits,申请号GB19570025579-传众专利搜索

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发明名称	Improvements in and relating to lock-out circuits
摘要
申请公布号	GB836467(A)	申请公布日期	1960.06.01
申请号	GB19570025579	申请日期	1957.08.13
申请人	ERICSSON TELEPHONES LIMITED	发明人	NICHOLS LESLIE DENNIS
分类号	H04Q3/00	主分类号	H04Q3/00
代理机构		代理人
主权项
地址

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