Военный Инженерный Краснознаменный Институт Им. А.Ф.Можайского
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(54) УСТРОЙСТВО ДЛЯ ИЗМЕРЕНИЯ ОСТАТОЧНОГХ) ЗАТУХАНИЯ В ЗАНЯТЫХ ТЕЛЕФОННЫХ КАНАЛАХ(54) DEVICE FOR MEASURING RESIDUAL DISTURBANCES IN BUSY TELEPHONE CHANNELS
SU772530484A1977-10-041977-10-04System for measuring residual attenuation in occupied telephonic channels
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