GOST 6997-77

Brown coals, hard coals and anthracite of the North-East regions for stratified burning. Specifications

State system for ensuring the uniformity of measurements. State special standard and state verification schedule for means of measuring magnetic induction of constant field in the range of 2-10 T for temperature range from 4,2 to 300 K and from 0,1 up to 2 T for the range from 4,2 to 77 K

State system for ensuring the uniformity of measurements. Scanning electron measuring microscopes. Methods for verification

Fresh tomatoes. Specifications

Environmental management. Guidance for organizational safeguards application and risk assessment. Native zone protection. General aspects and monitoring

Automatics and telemechanics railway systems on rail classification yards. Safety requirements and methods of checking