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Petroleum products. Calculation of quality indicators. General principles
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Energy management and energy savings. Guidance for net zero energy in operations using an ISO 50001 energy management system
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Electricity metering equipment AC. Acceptance inspection. Part 21. Particular requirements for electromechanical meters for active energy accuracy classes 0,5, 1 and 2
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Automobile roads of general use. Asphalt mixtures for road pavement. Sampling methods
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