Russian standards
Thallium. Method of the spectral determination of aluminium, iron, copper, nickel, tin, silver and lead
Document status: Active
Thallium. Method of chemical and spectral determination of aluminium, iron, bismuth, cadmium, indium, manganese, nickel, lead, silver and zinc
Document status: Active
System of design documents for construction. Normocontrol of design-estimate documentation
Document status: Withdrawn
System of design documentation for construction. Hoisting-and-conveying machinery. Symbols
Document status: Active
High-voltage kenotrons. The anode current measurement method within the voltage pulse
Document status: Active
High-voltage kenotrons. Test methods of electric strength
Document status: Active