DIN EN 60870-2-1:1997-07 Telecontrol equipment and systems - Part 2: Operating conditions; section 1: Power supply and electromagnetic compatibility (IEC 60870-2-1:1995); German version EN 60870-2-1:1996
1997DIN EN 60870-2-1:1997-07 Telecontrol equipment and systems - Part 2: Operating conditions; section 1: Power supply and electromagnetic compatibility (IEC 60870-2-1:1995); German version EN 60870-2-1:1996
1997DIN EN 60870-2-1:1997 Telecontrol equipment and systems - Part 2: Operating conditions; section 1: Power supply and electromagnetic compatibility (IEC 60870-2-1:1995); German version EN 60870-2-1:1996