GOST 19438.7-75

Elements, products of wood and wooden materials. Method for determining resistance to wear of protective and decorative coating

Air transport. Management of aviation activity in civil aviation. Basic principles

Plastics pipes and fittings. Equipment for fusion jointing polyethylene systems. Part 4. Traceability coding

End valves and disconnecting valves. General specification

Testing and measuring instruments for vehicles. General technical requirements. Test methods

State system for ensuring the uniformity of measurements. State primary standards and state verification schedule for means of measuring specific conductivity of solutions of electrolytes within the range of 1x10 in minus 4 degree to 1x10 in 2 degree Sm/m