GOST 28579.1-91

Welding production qualification system. Part 2. Welding personnel qualification. Rules

Air conditioners, liquid chilling packages, heat pumps, process chillers and dehumidifiers with electrically driven compressors. Determination of the sound power level. Part 1. Air conditioners, liquid chilling packages, heat pumps for space heating and cooling, dehumidifiers and process chillers

Footwear and footwear components. Test methods to assess antibacterial activity

LED plants irradiation. Measurement methods

Occupational safety standards system. Hearing protectors. Subjective method for the measurement of sound attenuation

Table tennis. Tabletops from composite materials. Technical requirements and test methods