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Optics and photonics. Optical devices. General requirements for the construction and use of names

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Carbon steel and unalloyed cast iron. Methods for determination of chromium

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Channel switching and message switching in telegraph communication. Terms and definitions

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X-ray devices. The methods of measuring of effective focus spot size

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State system for ensuring the uniformity of measurements. Mass of mazut. Measurement of the fuel oil mass in railway tanks. General metrological requirements

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Turning and copying tool holders and cartridges for indexable inserts. Designation

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