GOST 28301-2007

State system for ensuring the uniformity of measurements. Octave-band and fractional-octave-band filters. Part 3. Periodic tests

Technological foundry equipment. General safety requirements

Electrical installations of buildings. Part 4. Protection for safety. Chapter 44. Protection against overvoltages. Section 443. Protection against overvoltages of atmospheric origin or due to switching

Radio-frequency cable type PK 50-7-16. Specifications

Copper and complex ores, and products of their processing. Atomic absorption spectrometry method for weight fraction of measurement of copper, zinc, lead, bismuth, cadmium, antimony

Footwear. Test methods for slide fasteners. Resistance to repeated opening and closing