GOST R 52247-2021

Services of unproductive animals. Rendering the veterinary help to unproductive animals. Terms and definitions

State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 4. Reference levels for narrow-band masking noise

Polymer composites. Identification of fibers, fillers and core materials in computerized materials property databases

Image intensifier and image converter tubes. Method of measuring the luminance gain

Indoor air. Part 14. Determination of total (gas and particle phase) polychlorinated dioxin-like biphenyls (PCBs) and polychlorinated dibenzo-p-dioxins/dibenzofurans (PCDDs/PCDFs). Extraction, clean-up and analysis by high resolution gas chromatography and mass spectrometry

Nuts for fastening tube connections on external cone. Construction and dimensions