Mercury switch tester,申请号US19470759630-传众专利搜索

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发明名称	Mercury switch tester
摘要
申请公布号	US2498026(A)	申请公布日期	1950.02.21
申请号	US19470759630	申请日期	1947.07.08
申请人	BROWN CALVIN F	发明人	BROWN CALVIN F.
分类号	H01H11/00	主分类号	H01H11/00
代理机构		代理人
主权项
地址

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