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    Structured data licensed under CC BY 4.0 by Bibliotecas de la Universidad de Concepción. Additional terms may apply for third-party namespace data.

    621.384132

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    • http://bibfra.me/vocab/lite/Category
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    • ddc
    Label
    621.384132
    Code
    621.384132
    Source
    ddc

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    Low-frequency amplification;, a treatise on the technical and scientific principles and the modern practical use of L. F. amplification/, English translation by G. Ducloux-Sutton