Search Results - "SISTEMA DE CLASIFICACION"

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    Universal decimal classification: 669 Metallurgy

    Published 1949.
    Subjects: “…SISTEMA DE CLASIFICACION…”
    Book
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    Universal decimal classification: Classes 50 -51 -52 -53

    Published 1943.
    Subjects: “…SISTEMA DE CLASIFICACION…”
    Book
  4. 4