Electrical current control and visual interpretation of electrical current,申请号US19410378070-传众专利搜索

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发明名称	Electrical current control and visual interpretation of electrical current
摘要
申请公布号	US2275283(A)	申请公布日期	1942.03.03
申请号	US19410378070	申请日期	1941.02.08
申请人	BURCHFIELD ROBERT D	发明人	BURCHFIELD ROBERT D.
分类号	G01H3/12	主分类号	G01H3/12
代理机构		代理人
主权项
地址

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