GOST 27588-91

Explosive atmospheres. Explosion prevention and protection. Part 1. Basic concepts and methodology

Classification of chemical mixtures hazard for the environmental

Manganese ores concentrates and agglomerates. Method of the determination degree of homogeneity on the basis of chemical grain

Electromagnetic compatibility of technical equipment. Specification for radio disturbance and immunity measuring apparatus and methods. Part 1-3. Radio disturbance and immunity measuring apparatus. Disturbance power measuring apparatus

Statistical methods. Control charts. Part 1. General guidelines

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