Medical electrical equipment. Part 2-22. Particular requirements for the basic safety and essential performance of surgical, cosmetic, therapeutic and diagnostic laser equipment
Electric and optical fibre cables. Test methods for non-metallic materials. Part 509. Mechanical tests. Test for resistance of insulations and sheaths to cracking (heat shock test)
Ventilation for buildings. Performance testing of equipment for residential ventilation. Performance testing of ducted mechanical supply and exhaust ventilation units, including heat recovery
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