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Foodstuffs. Determination of trace elements. Determination of lead, cadmium, zinc, copper and iron by atomic absorption spectrometry (AAS) after microwave digestion
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Uniflame blowpipes for oxyacetylene welding, brazing and preheating. Basic parameters and dimensions and general technical requirements
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State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means measuring pulse laser radiation power and dynamic parameters of laser detectors in the wavelength range of 0,4-10,6 um
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Direct acting indicating analogue electrical measuring instruments and their accessories. Part 5. Special requirements for phase meters, power factor meters and synchroscopes
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Power frequency overvoltage protective devices (POPs) for household and similar applications
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Hydraulicdrives. Hydraulic semi-rotary actuators. General technical requirements
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