Improvements in or relating to electric control systems,申请号GB19450012248-传众专利搜索

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发明名称	Improvements in or relating to electric control systems
摘要
申请公布号	GB591651(A)	申请公布日期	1947.08.25
申请号	GB19450012248	申请日期	1945.05.16
申请人	ERICSSON TELEPHONES LIMITED;LIONEL SPARKE DISTIN	发明人
分类号	G05D3/12	主分类号	G05D3/12
代理机构		代理人
主权项
地址

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