GOST 34681-2024

Residual current operated circuit-breakers without integral overcurrent protection for household and similar uses (RCCB's). Part 2-2. Applicability of the general rules to RCCB's functionally dependent on line voltage

Indoor air. Part 36. Standard method for assessing the reduction rate of culturable airborne bacteria by air purifiers using a test chamber

Shield box viewing windows. Types, construction and dimensions

Circular all-cast moulding boxes of aluminium and magnesium alloys having inside diameter 600 mm, height 250; 300 mm. Construction

Ferrotungsten. Methods for determination of tin content

Automatic emission and discharge control systems. Automatic control systems for pollutant emissions. Main requirements for design and working documentation