GOST 3675-81

Conical heads without knuckle, apex angles 60, 90 and 120 degrees. General dimensions

State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 2. Reference equivalent threshold sound pressure levels of pure tones for insert earphones

Non-domestic gas-fired overhead luminous radiant heaters. Part 2. Rational use of energy

State system for ensuring the uniformity of measurements. Instruments measuring the characteristics of optical radiation of solar simulators. Methods for verification

Fresh Avocados. Specifications

Dependability in technics. Dependability of task performance and business continuity management. Terms and definitions