Low frequency oscillator with negligible resistance,申请号US19340745565-传众专利搜索

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发明名称	Low frequency oscillator with negligible resistance
摘要
申请公布号	US2096867(A)	申请公布日期	1937.10.26
申请号	US19340745565	申请日期	1934.09.26
申请人	STANDARD OIL DEVELOPMENT COMPANY	发明人	THOMPSON ROBERT R.
分类号	H01H51/32	主分类号	H01H51/32
代理机构		代理人
主权项
地址

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