GOST 23493-79

United power system and isolated power systems. Relay protection and automation. Automatic emergency control of electric power systems. Device for unloading automation during short circuits. Short circuit severity fixation device. Norms and requirements

70-,35-and 16-mm motion-picture cameras. Printed areas. Dimensions and position. Control methods

Unit automated communication system. Common requirements of interaction signals on subscriber link of AT-50 and PD-200 networks

Cellular glass thermal insulating products for buildings and constructions. Specifications

Industrial automation systems and integration. Product data representation and exchange. Part 1251. Application module. Interface

Solid mineral fuel. Proximate analysis