Russian standards
Hard magnetic sintered materials on basis neodymium-iron-boron alloys. Classification. Main parameters
Document status: Active
Hydro power plants. Part 1-9. Hydraulic structures of hydropower stations. Safety requirements under operation
Document status: Active
Thin epoxide-impregnated glass fabric foil-clad electrical insulating material of rated combustibility for multilayer printed plates. Specifications
Document status: Active
Semiconductor rectifiers of power higher than 5 kW. General specifications
Document status: Active
Electrical apparatus for use in the presence of combustible dust. Part 11. Protection by intrinsic safety 'iD'
Document status: Active