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IEC 60621-3:1979/AMD1:1986 ed1.0

Отменен
Amendment 1 - Electrical installations for outdoor sites under heavy conditions (including open-cast mines and quarries). Part 3: General requirements for equipment and ancillaries — 15 стр.
ICS
29.260.99 Other electrical equipment for working in special conditions / Электрическое оборудование для работы в особых условиях прочее