MEJORAS EN O RELATIVAS A APARATOS DE MEDIDA DE FRECUENCIA ELÉCTRICA,申请号ES19350001787-传众专利搜索

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发明名称	MEJORAS EN O RELATIVAS A APARATOS DE MEDIDA DE FRECUENCIA ELÉCTRICA
摘要	Mejoras en aparatos para medir la frecuencia de una corriente alterna que comprenden medios para producir impulsos eléctricos a un ritmo de repetición igual a o proporcional a la frecuencia que se ha de medir, medios para traducir este ritmo en una cantidad y medios para medir esta cantidad.
申请公布号	ES178735(A1)	申请公布日期	1947.09.01
申请号	ES19350001787	申请日期	1947.07.02
申请人	STANDARD ELECTRICA, S.A.	发明人
分类号	G01R23/09;(IPC1-7):G01R23/09	主分类号	G01R23/09
代理机构		代理人
主权项
地址

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