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Mineral natural drinking waters. Determination of the mass concentration of bromide ions by the photometric method
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Agricultural animals. Methods of laboratory diagnostics of classical pig-plague
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Electricity metering equipment (a.c.). Particular requirements. Part 31. Pulse output devices for electromechanical and electronic meters (two wires only)
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State system for ensuring the uniformity of measurements. Ultrasonic medical physiotherapy equipment. General requirements to measurement methods of acoustic output in the frequency range 0,5 MHz to 5,0 MHz
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