Occupational safety standards system. Minerґs overalls for mechanical action protection and general industrial contamination protection. General technical requirements
Oscillator, modulator and regulation tubes with anode dissipated power above 25 W. Method of measurement of leakage currents between electrodes and between cathode and heater
Internal buildings and structures utilities. Mounting and start-up adaptive control of air-conditioning evaporative and condensing units. General technical requirements
€10
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