Safety of transformers, reactors, power supply units and similar products for supply voltages up to 1100 V. Part 2-16. Particular requirements and tests for switch mode power supply units and transformers for switch mode power supply units
Air filters for general ventilation. Part 3. Determination of the gravimetric efficiency and the air flow resistance versus the mass of test dust captured
Vibration and shock. Experimental determination of mechanical mobility. Part 5. Measurements using impact excitation with an exciter which is not attached to the structure
Explosive atmospheres. Quality management systems of service facilities providing repair and reclamation of Ex installations for use in explosive atmospheres. Requirements
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