Frequency dividing system for electric alternating currents,申请号US19420445622-传众专利搜索

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发明名称	Frequency dividing system for electric alternating currents
摘要
申请公布号	US2331986(A)	申请公布日期	1943.10.19
申请号	US19420445622	申请日期	1942.06.03
申请人	HENRI LAUER	发明人	LAUER HENRI
分类号	H03B19/12	主分类号	H03B19/12
代理机构		代理人
主权项
地址

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