DIN ETS 300461-2:1997-07 Transmission and Multiplexing (TM) - Flexible Multiplexer Equipment - Management and control functions; English version ETS 300461-2:1996
1997DIN ETS 300461-2:1997-07 Transmission and Multiplexing (TM) - Flexible Multiplexer Equipment - Management and control functions; English version ETS 300461-2:1996
1997DIN ETS 300461-2:1997 Transmission and Multiplexing (TM) - Flexible Multiplexer Equipment - Management and control functions; English version ETS 300461-2:1996