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    The EFLA redbook of audio-visual equipment; a handbook of information on film, slide and filmstrip projectors, recording and public address equipment, and related accessories. Prep...

    出版 1953
    图书

    The EFLA redbook of audio-visual equipment; a handbook of information on film, slide and filmstrip projectors, recording and public address equipment, and related accessories. Prepared by Mary L. Allisson.

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