Russian standards PDF
Water heaters for heat supply systems. General specifications
Document status: Replaced by GOST 27590-2005
Uninterrupted power supply systems of a.c. receivers. General specifications
Document status: Active
Noise control in construction. Noise silencers. Methods for determining of acoustical characteristics
Document status: Replaced by GOST 28100-2007
Stationary steam boilers of great capacity. General specifications
Document status: Active
Nuclear instrumentation systems for nuclear power stations. General requirements
Document status: Active