SOUND ENGINEERING + AUDIO ENGINEERING (ACOUSTICS)
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BTTELECOMMUNICATIONS (ELECTRICAL), TELEGRAPHY, TELEPHONY, RADIOCOMMUNICATIONS, TELEVISION, VIDEO ENGINEERING, TELECONTROL
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UDC621.397.8
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Descriptor GERTONTECHNIK + PHONOTECHNIK (AKUSTIK)
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Descriptor ENGSOUND ENGINEERING + AUDIO ENGINEERING (ACOUSTICS)
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Descriptor FRETECHNIQUE D'ACOUSTIQUE + TECHNIQUE DU SON (ACOUSTIQUE)
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Variant GERPHONOTECHNIK (AKUSTIK)
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Variant GERTECHNIK/PHONOTECHNIK (AKUSTIK)
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Variant GERTECHNIK/TONTECHNIK (AKUSTIK)
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Variant GERSCHALLAUFZEICHNUNG (AKUSTIK)
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Variant ENGENGINEERING/SOUND ENGINEERING (ACOUSTICS)
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Variant ENGAUDIO ENGINEERING (ACOUSTICS)
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Variant ENGENGINEERING/SOUND ENGINEERING + AUDIO ENGINEERING (ACOUSTICS)
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Variant ENGSOUND RECORDING (ACOUSTICS)
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Variant ENGRECORDING/SOUND RECORDING (ACOUSTICS)
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Variant FREACOUSTIQUE/TECHNIQUE DU SON (ACOUSTIQUE)
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Variant FRETECHNIQUE DU SON (ACOUSTIQUE)
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Variant FRESON/TECHNIQUE DU SON (ACOUSTIQUE)
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Variant FREENREGISTREMENT DU SON (ACOUSTIQUE)
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Variant FRESONS/ENREGISTREMENT DU SON (ACOUSTIQUE)
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NTCD-PLAYERS (AUDIO ENGINEERING)
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NTDIGITAL SOUND ENGINEERING + DIGITAL AUDIO ENGINEERING (ACOUSTICS)
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NTLOUDSPEAKERS (AUDIO ENGINEERING)
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NTMICROPHONES (AUDIO ENGINEERING)
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NTMIXING UNITS (TELECOMMUNICATIONS)
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NTRECORD PLAYERS (SOUND ENGINEERING)
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NTMAGNETIC RECORDERS + TAPE RECORDERS (AUDIO ENGINEERING)
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NTHISTORY OF SOUND ENGINEERING + HISTORY OF AUDIO ENGINEERING (ACOUSTICS)
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RTAPPLIED ACOUSTICS