1、 IEC 62912 Edition 1.0 2015-07 INTER NA TIONA L STA NDA R D NOR ME INTER NA TIONA LE Railway applications Direct current signalling monostable relay s of type N and ty pe C Applications ferroviaires Relais monostables de signalisation en courant continu de type N et de type C IEC 62912:2015-07(en-fr
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