GOST 21878-76

Steel hinges for wooden windows and doors. Specifications

Safety of power transformers, power supplies, reactors and similar products. Part 2-12. Particular requirements and tests for constant voltage transformers and power supply units for constant voltage

Electrical installations of buildings. Part 5. Selection and erection of electrical equipment. Chapter 54. Earthing arrangements and protective conductors

Steel and iron. Inductively coupled plasma atomic emission spectrometric method for determination of nickel. Part 2. Determination of nickel content

Coating materials. Corrosion protection of steel structures by protective paint systems. Part 7. Execution and inspection of painting works

Rubber hoses and hose assemblies for automobile power-steering systems. Technical requirements