DIN EN 62056-42 : 2003 Title: Electricity metering - Data exchange for meter reading, tariff and load control - Part 42: Physical layer services and procedures for connection-oriented asynchronous data exchange (IEC 62056-42:2002); German version EN 62056-42:2002, text in English Year: 2003 Publisher: DIN Media GmbH Availability: Within 1-2 working days