Improvements in or relating to electrical indicating or control systems,申请号GB19390030406-传众专利搜索

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发明名称	Improvements in or relating to electrical indicating or control systems
摘要
申请公布号	GB554405(A)	申请公布日期	1943.07.02
申请号	GB19390030406	申请日期	1939.11.20
申请人	ARTHUR HENRY COOPER	发明人
分类号	G01C17/26	主分类号	G01C17/26
代理机构		代理人
主权项
地址

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