Russian standards PDF
Still picture cameras and photographic lenses. Terms and definitions
Document status: Active
Brown coals, hard coals and anthracites. Classification according to genetic and technological parameters
Document status: Replaced by GOST 25543-2013
Raremetallic concentrates. Methods for the determination of niobium pentoxide
Document status: Active
Atomic power station technological processes control system equipment. Durability, endurance, resistance requirements for highest influential factor
Document status: Active
