Electromagnetic compatibility of technical equipment. Limitation of harmonic currents produced by equipment with input current greater than 16A and not greater than 75 A per phase connected to public low-voltage supply systems. Limits and test methods
Reciprocating internal combustion engines. Safety requirements for engines, intended for use in potentially explosive atmospheres. Part 2. Group I engines for use in underground workings susceptible to fired amp and/or combustible dust
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