129 صفحه pdf IEC 60335 Household and similar electrical appliances – Safety Part 2-53: Particular requirements for sauna heating appliances and infrared cabins 2017 ...
326 صفحه فرمت محصول: pdf IEC 61968 Application integration at electric utilities – System interfaces for distribution management Part 3: Interface for network operations ویرایش دوم 2017 ...