Mechanical vibration. Methods for the calibration of vibration and shock transducers. Part 21. Vibration calibration by comparison to a reference transducer
State system for ensuring the uniformity of measurements. State verification schedule for measuring instruments of electrical power and energy in the frequency range from 1 to 2500 Hz
Tests on electric and optical fibre cables under fire conditions. Part 3-10. Test for vertical flame spread of vertically-mounted bunched wires or cables. Apparatus
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