Mass of mazut. State system for ensuring the uniformity of measurements. Measurement of the fuel oil mass in vertical storage tanks. General metrological requirements
Adjustable speed electrical power drive systems. Part 1. General requirements. Rating specifications for low voltage adjustable speed DC power drive systems
Non-domestic gas-fired forced convection air heaters for space heating not exceeding a net heat input of 300 kW, without a fan to assist transportation of combustion air and/or combustion products. The general technical requirements and test methods
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