Crossbar-type telegraph switching stations (substations). Signals and procedures of interaction between stations (substations) during the setting up of connections at the telex (AT-50), data transmission (PD-200) and gentex networks
Commercial vehicles. Product data exchange between chassis and body works manufacturers. General data, mass parameters, administrative information. Reference designations
State system for ensuring the uniformity of measurements. Pressure, combined pressure-vacuum, vacuum, gauges and draught gauges with pneumatic output signals. Methods of verification
