Vacuumized electric switch,申请号US19570639471-传众专利搜索

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发明名称	Vacuumized electric switch
摘要
申请公布号	US2920169(A)	申请公布日期	1960.01.05
申请号	US19570639471	申请日期	1957.02.11
申请人	JENNINGS RADIO MANUFACTURING CORPORATION	发明人	JENNINGS JO EMMETT
分类号	H01H33/66	主分类号	H01H33/66
代理机构		代理人
主权项
地址

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