GOST 23720-79

Unified system of corrosion and ageing protection. Non-metallic materials and articles with their application. Method of microbiological resistance tests under natural and atmospheric conditions

Wood. Method for determination of resistivity to nail and woodscrew withdrawal

Sand for construction work. Testing methods

Medical electrical equipment. Part 2-5. Particular requirements for the basic safety and essential performance of ultrasonic physiotherapy equipment

Test tubes for radioactive samples and stoppers for them. Basic dimensions

Soil quality. Determination of dry matter and water content on a mass by gravimetric method