Improvements in or relating to electromagnetic relays,申请号GB19550011220-传众专利搜索

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发明名称	Improvements in or relating to electromagnetic relays
摘要
申请公布号	GB769949(A)	申请公布日期	1957.03.13
申请号	GB19550011220	申请日期	1955.04.19
申请人	ERICSSON TELEPHONES LIMITED;LIONEL SPARKE DISTIN	发明人
分类号	H01H50/60	主分类号	H01H50/60
代理机构		代理人
主权项
地址

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