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Switches for household and similar fixed electrical installations. Part 2-5. Particular requirements. Switches and related accessories for use in home and building electronic systems
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Pipe steel connections with cylindrical thread for pipelines P=1,6 MPa. Straight sockets. Basic dimensions
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State system for ensuring the uniformity of measurements. State verification schedule for means of LTEC measurements of solid substances in temperature range from 90 to 1800 K
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Noise. Attenuation of sound during propagation outdoors. Part 2. General method of calculation
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