Signal conversion equipment for simultaneous duplex data transmission on switched channels of general telephone network and unswitched voice frequency channels. Type and basic parameters
Document status: Active
Emission of the exhaust gas pollutants by the main-line and shunting diesel locomotives. Norms and determination methods
Document status: Cancelled
Fire equipment. Fire pressure hose. General requirements. Test methods
Document status: Replaced by GOST R 51049-2008
Profile survey systems of vertical shaft guides. General requirements and testing methods
Document status: Active
