GOST 21400-75

Electrical installations of buildings. Part 4. Protection for safety. Chapter 44. Protection against overvoltages. Section 444. Protection against electromagnetic interferences (EMI) in installations of buildings

Radio stations for land mobile service. Requirements for mechanical and environmental resistance and test methods

Threads textile. Method for determination of the breaking load in loop

Dimensions of panel mounted indicating and recording electrical measuring instruments

Electrical steel. Methods of test for magnetic and electrical properties. Method for measurement of specific magnetic losses and actual value of magnetic field intensity

Platinum and its base alloys. Marks