GOST 25697-83

Raised countersunk head screws product grades A and B. Construction and dimensions

Civil defense. Civil defense constructions. Classification. General technical requirements

State system for ensuring the uniformity of measurements. State primary standard and all-union verification schedule for means measuring non-linear distortion ratio within frequency range from 20 up to 1000000 Hz

Low-voltage electrical installations. Part 4-42. Protection for safety. Protection against thermal effects

Safety in emergencies. Activity modes of rescuers utilizing personal protection means in elimination of accidents consequences on chemically hazardous objects. General requirements

Rods for welding deposit