Russian standards
Petroleum and natural gas industries. Drilling and production equipment. Subsurface barrier valves and related equipment. General technical requirements
Document status: Active
Vessels and apparatus. Norms and methods of strength calculation. Method of strength calculation of shells and bottoms according to weld misalignment, angular misalignment and shell nonroundness
Document status: Active
Diesel fuel. Determination of lubricity by the HFRR-apparatus. Part 1. Test method
Document status: Active
Peat briquettes and pellets for heating purposes. Specifications
Document status: Active
Brown coals and lignites. Determination of yield of toluene-soluble extract and content of acetone-soluble materials (resinous substances) in it
Document status: Active