GOST 19746-74

Safety of household and similar electrical appliances. Particular requirements for refrigerators, food-freezers and ice-makers and test methods

Technical diagnostics. Terms and definitions

State system for ensuring the uniformity of measurements. State verification chain for measuring instruments of length and signal propagation time in optical fiber, average power, attenuation and wavelength of optic radiation for fiber-optical communication and data transmission systems

Recreational diving services. Safety related minimum requirements for the training of recreational scuba divers. Part 2. Level 2. Autonomous diver

Brown coals, hard coals and anthracite. Size classification

Angle ended fixtures for machine retaining devices. Design