DIN EN 60870-6-2:1997-06
Действует
Telecontrol equipment and systems - Part 6: Telecontrol protocols compatible with ISO standards and ITU-T recommendations; section 2: Use of basic standards (OSI layers 1-4) (IEC 60870-6-2:1995); German version EN 60870-6-2:1995
— 28 стр.
