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Automotive gasolines. Photocolorimetric method of iron determination
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Center plates of the freight wagons for 1520 mm gauge railways. General specifications
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State system for ensuring the uniformity of measurements. Standard thermoelectric converters platinumrhodium/platinum of the first, second and third grades. Verification and calibration procedure
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State system for ensuring the uniformity of measurements. Reference light-emitting diodes (LED) of noncoherent radiation. Technical requirements
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Vertical drilling machines. Basic dimensions. Standards of accuracy and rigidity
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