Automobile roads of general use. Mineral materials for preparing coarse-grained asphalt concrete mixtures. Method for determination of density and absorption
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
State system for ensuring the uniformity of measurements. Software of measuring instruments. Algorithms of processing, storage, protection and transmission of measuring information. Evaluation procedure
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