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Sound system equipment; part 15: preferred matching values for the interconnection of sound system components; amendment 3
Sound system equipment; part 15: preferred matching values for the interconnection of sound system components; amendment 2 to IEC 268-15:1987
Sound system equipment; part 15: preferred matching values for the interconnection of sound system components; amendment No. 1 to publication 268-15:1987
Sound system equipment. Part 15 : Preferred matching values for the interconnection of sound system components
Octave, half-octave and third-octave band filters intended for the analysis of sounds and vibrations
Electric hearing aids; connecting cords for earphones
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