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State system for ensuring the uniformity of measurement. Instruments for measurement of radiant power semiconductor emitter diode. Verification procedure
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Emissions of the polluting substances in the atmosphere. Method for calculating the concentrations of suspended particles PM2.5 and PM10 in industrial emissions based on the fractional composition of dust
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Buffer rods for sheet stamping dies. Design and dimensions
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Prevailing torque type all-metal hexagon regular nuts (style 1). Property classes 5, 8 and 10
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Modification of lifts during assigned life time. General requirements
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