DIN EN 62056-4-7:2017 电力计量数据交换.DLMS/COSEM套件.第4-7部分:IP网络用DLMS/COSEM传输层(IEC 62056-4-7-2015);英文版本EN 62056-4-7-2016
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