Russian standards PDF
Raremetallic concentrates. Methods for the determination of silicon dioxide
Document status: Active
Building materials and products. Methods for determination of steam permeability and of steam-tightness
Document status: Replaced by GOST 25898-2020
Internal grinding machines. Basic parameters and dimensions. Accuracy standards
Document status: Active
Monocrystal gallium arsenide and gallium phosphide. Measurement of specific electric resistance and hall-coefficient
Document status: Active