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Optics and photonics. Physical optics. Terms, definitions and letter designations of basic quantities
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State system for ensuring the uniformity of measurements. State verification schedule for means of electromagnetic field density measurements within frequency range from 0,3 to 178,4 GHz
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Petroleum and natural gas industry. Subsea production systems. Lifting techniсs. Conformity assessment
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Unmanned aircraft systems. Remote crew training devices. General requirements
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Sheet stamping dies. Guide bushes for guide posts with flute. Design and dimensions
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