GOST 8415-78

Explosive atmospheres. Part 29-4. Gas detectors. General technical requirements and test methods of open path detectors for flammable gases

State system for ensuring the uniformity of measurements. Acoustics. Reference zero for the calibration of audiometric equipment. Part 1. Reference equivalent threshold sound pressure levels of pure tones for supra-aural earphones

Carbonaceous materials used in the production of aluminium. Prebaked anodes and shaped carbon products. Determination of the coefficient of linear thermal expansion

Robots and robotic devices. Test methods for service mobile emergency response robots. Sensors. Technical vision acuity

Medium cups with cup seal for diameters from 47 till 100 mm of pillow blocks. Construction and dimensions

Control systems in the process industry. Electrical and instrumentation loop check