GOST 26980-95

Blast-furnace coke from coals of Donetsk and Kuznetsk basins and from charge of Cherepovets metallurgical works. Quality requirements

State system for ensuring the uniformity of measurements. Ultrasonic power in liquids. General requirements to measurement methods of therapeutic transducers and systems with high intensity

Preservation of cultural heritage objects. Wooden structures and details. Repair, conservation, restoration and recreation. General requirements

Plain double-ended plug gauges with insert PR of cemented carbide alloy from 6,3 to 50 mm nominal diameter. Design and dimensions

Mining equipment. Passive facilities for explosion localization. Stone dust barrier. General specifications

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Automatic frequency unloading devices. Norms and requirements