GOST 18963-73

Water. Methods for determination of nitrogen-containing matters

Undressed skins of farmed mink. Specifications

Nickel and siliceous nickel wire. Specifications

Plugs and socket-outlets for household and similar purposes. Particular requirements for fused plugs. General specifications

Ergonomics of human-system interaction. Part 306. Field assessment methods for electronic visual displays

System of national standards for quality of telecommunication services. Quality of services of local, long-distance and international telephone communication. Normative values for quality indices of telephone calls