GOST 24220-80

Steel flat welded flanges of vessels and apparatus. Design and dimensions

Insulating liquids. Determination of contamination by polychlorinated biphenyls (PCBs) by capillary column gas chromatography method

LED light-optical systems for railway signal alarm. General technical requirements and test methods

Packing. Gas chromatographic determination of hexane, heptane, acetaldehyde, acetone, methylacetate, ethylacetate, methanol, isopropanol, acrylonitrile, n-propanol, butylacetate, isobutanol, n-butanol, benzene, toluene, ethylbenzene, m-, o-and p-xylene, isopropylbenzene, styrene, а-methylstyrene content in water extracts

Mechanical couplings. Series of normal torques

Safety of transportable motor-operated electric tools. Part 2-10. Particular requirements for cutting-off grinders