NF C44-056-42*NF EN 62056-42:2003 Electricity metering - Data exchange for meter reading, tariff and load control - Part 42 : physical layer services and procedures for connection-oriented asynchronous data exchange
2003NF C44-056-42*NF EN 62056-42:2003 Electricity metering - Data exchange for meter reading, tariff and load control - Part 42 : physical layer services and procedures for connection-oriented asynchronous data exchange