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State system for insuring the uniformity of measurements. Cold and hot water meters. Calibration interval evaluation
Document status: Active
Meteorological temperature profiler. General technical requirements
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Stamped no-go plain plug gauges of not full-form with diameter over 75 to 160 mm. Design and dimensions
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Gas tightness of equipment and apparatus for gas welding, cutting and allied processes. Permissible rates of external gas leakage and measuring procedures
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