DIN EN 60870-5-103 : 1999 Title: Telecontrol equipment and systems - Part 5-103: Transmission protocols; companion Standard for the informative interface of protection equipment (IEC 60870-5-103:1997); German version EN 60870-5-103:1998 Year: 1999 Publisher: DIN Media GmbH Availability: Within 1-2 working days