Power supply systems, nets, sources, converters and receivers of electric energy. Rated voltages to 1000 v and tolerances

Standard published on 1.7.1984

Electrical items. Earth terminals and earth signs. Design and dimensions

Standard published on 1.7.1976

Aluminium alloys. Method for determination of hydrogen content in molten metal

Standard published on 1.1.1977

Aluminium and aluminium alloys. Methods for determination of hydrogen in solid metal by vacuum hot extraction

Standard published on 1.1.2000

Specilized box pellets for rotatoes, vegetables, fruits and melon cultures. Specifications

Standard published on 1.1.1989

Apparatus telegraph, printing start-stop, 5-element code. Methods of electric parameters measuring

Standard published on 1.1.1982

Chalk. General requirements for methods of analysis

Standard published on 1.1.1987

Chalk. Method for determination of water-soluble matters content

Standard published on 1.1.1987

Chalk. Method for determination of sulphate ions content in water extract

Standard published on 1.1.1987

Chalk. Method for determination of chloride ions content in water extract

Standard published on 1.1.1987