ITU-T J.21 SPANISH [ Active ]

CARACTERÍSTICAS DE CALIDAD DE FUNCIONAMIENTO DE LOS CIRCUITOS RADIOFÓNICOS DEL TIPO DE 15 kHz – CIRCUITOS PARA TRANSMISIONES RADIOFÓNICAS MONOFÓNICAS Y ESTEREOFÓNICAS DE ALTA CALIDAD

standard by International Telecommunication Union-T , 08/01/1994

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