DIN EN 60870-6-503 (2015-04)现行
Telecontrol equipment and systems Part 6-503: Telecontrol protocols compatible with ISO standards and ITU-T recommendations - TASE.2 Services and protocol (IEC 60870-6-503:2014); English version EN 60870-6-503:2014
出版：German Institute for Standardisation (Deutsches Institut für Normung)
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