Reciprocating internal combustion engines. Safety requirements for engines, intended for use in potentially explosive atmospheres. Part 3. Group III engines for use in flammable dust atmospheres
Adjustable speed electrical power drive systems. Part 9-1. Ecodesign for power drive systems, motor starters, power electronics and their driven applications. General requirements for setting energy efficiency standards for power driven equipment using the extended product approach (EPA) and semi analytic model (SAM)
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