GOST 21672-99

Optical fibres. Part 1-52. Measurement methods and test procedures. Change of temperature tests

Occupational safety standards system. Machines and equipment for manufacturing clay and lime brick, ceramic and asbestos cement products. General safety requirements

Laboratory glassware. Methods for assessing the chemical resistance of enamels for colour coding and colour marking

Safety requirements for electrical equipment for measurement, control, and laboratory use. Part 2-081. Particular requirements for automatic and semi-automatic laboratory equipment for analysis and other purposes

Machines and technological equipment. Balance quality grade system. Basis provisions

Enamels for instruments. Specifications