GOST 4827-70

Electrical contacts. Erosion resistance testing under electric arc conditions

Metering amplifiers of direct current and its voltage. The general technical requirements and the methods of tests

Animal and vegetable fats and oils. 2-monochloropropanediol and 2-monochloropropanediol fatty acid esters, 3-monochloropropanediol and 3-monochloropropanediol fatty acid esters and fatty acids glycidyl esters content determination via enzymatic hydrolysis

Occupational safety standards system. Respiratory protective devices. Self-contained open-circuit compressed air supply apparatus completed with face mask or mouthpiece (escape breathing apparatus). Technical requirements. Test methods. Marking

Vitreous silica transparent glass. Crystallization stability test method

Portland cement nanomodified. Specifications