GOST 4109-79

Tea. Method for determination of total ash

Drill three-jawed chucks with key. Basic dimensions

Occupational safety standards system. Respiratory protective devices. Methods of test and test equipment. Part 4. Determination of gas capacity, internal migration/desorption of gas and combined filters using constant air flow and breakthrough time of filters against carbon monoxide using sinusoidal air flow

Automobile roads of general use. Soils fortified by organic binders. General specifications

Workplace air. Analysis of respirable crystalline silica by X-ray diffraction. Part 1. Direct-on-filter method

Unified system of corrosion and ageing protection. Industrial rubber products for tropics. General requirements