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Author archive for Kolektor ETRA

  • 1965

    By acquiring a 10-year license from a French company Alsthom Savoisienne, and building new facilities, the company develops the capacity…

  • 1961

    Jambor merges with Energoinvest group from Sarajevo. The company trades under the name Energoinvest Sarajevo, Tovarna transformatorjev Ljubljana. Its activity…

  • 1960

    The extent of production, which is growing annually reaches a total of approximately 130 MVA transformers per year.

  • 1954

    The first transformer, which is entirely the result of our own knowledge, is developed.

  • 1951

    The company changes its name to Jambor.

  • 1949

    The plant changes its name to Elektromehanične delavnice Črnuče and becomes an independent company. Its business activities are focused on…

  • 1933

    The founding year of ETRA 33, Energetski transformatorji, d.o.o.. Its initial activity includes the servicing of small transformers and manufacturing…