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  • The world plug standard
    2011-11-22The world plug standard
    The world plug standard
  • SPK Training book for battery
    2011-11-22SPK Training book for battery
    A battery is a source of electrical energy. It is consisted by two substances, and represented by two electr...
  • IEC 62133-2002
    2011-11-22IEC 62133-2002
    Numéro de référence
    Reference number
    CEI/IEC 62133:2002
  • IEC 61951
    2011-10-12IEC 61951
    Numéro de référence
    Reference number
    CEI/IEC 61951-1:2003+A1:2005
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