DIN EN 62056-7-6 : 2014 Title: Electricity metering data exchange - The DLMS/COSEM suite - Part 7-6: The 3-layer, connection-oriented HDLC based communication profile (IEC 62056-7-6:2013); English version EN 62056-7-6:2013 Year: 2014 Publisher: DIN Media GmbH Availability: Within 1-2 working days