Coal briquettes. Methods for the determination of mechanical strength
Document status: Replaced by GOST 21289-2018
Reagents. Potassium sodium carbonate anhydrous. Specifications
Document status: Active
Residual fuel oils. Determination of hydrogen sulfide in the vapor phase
Document status: Active
Gas, gas condensate, oil-gas and oil-gas condensate fields. Specifications for technical project of field development
Document status: Active
