GOST 33443-2015

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

Flow battery energy systems. Part 1. Terms and definitions

Service for people. Terms and definitions

Threaded tube connections. Passage unions for welding. Construction and dimensions

State system for ensuring the uniformity of measurements. Certified reference materials of composition of substances and materials. Interlaboratory metrological certification. Content and order of works

Hard coals and anthracites of Kuznetsk and Gorlovsky basins for cement and lime furnaces and production of brick. Specifications