State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring mass flow of liquid within the range of 1x10 in minus 3 degree up to 2x10 in 3 degree kg/s
Studs, nuts and washers for flanged connections for atomic power plants. Technical requirements acceptance rules. Test methods. Marking, packing, transportation and storage
Industrial-process measurement and control. Data structures and elements in process equipment catalogues. Part 1. Measuring equipment with analogue and digital output
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