Tests for electric cables under fire conditions. Circuit integrity. Part 2. Test method for fire with shock at a temperature of least 830 °C for cables of rated voltage up to and including 0,6/1,0 kV and with an overall diameter not exceeding 20 mm
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
€10
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