Occupational safety standards system. Respiratory protective devices. SX gas filters and combined filters for protection against specific named compounds. General specifications
United power system and isolated power systems. Operational dispatching control. Calculations to determine the possibility of decommissioning of power lines, utilities and devices of electric power facilities classified as objects of dispatching. Norms and requirements
Safety of power transformers, power supplies, reactors and similar products. Part 2-15. Particular requirements and tests for isolating transformers for the supply of medical locations
€25
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