DIN EN 62056-4-7 : 2017 Title: Electricity metering data exchange - The DLMS/COSEM suite - Part 4-7: DLMS/COSEM transport layer for IP networks (IEC 62056-4-7:2015); English version EN 62056-4-7:2016 Year: 2017 Publisher: DIN Media GmbH Availability: Within 1-2 working days