Step attenuator switch,申请号US19520300672-传众专利搜索

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发明名称	Step attenuator switch
摘要
申请公布号	US2660626(A)	申请公布日期	1953.11.24
申请号	US19520300672	申请日期	1952.07.24
申请人	EDWARD STANKEY JOHN	发明人	STANKEY JOHN EDWARD
分类号	H01P1/22	主分类号	H01P1/22
代理机构		代理人
主权项
地址

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