DIN EN 62637-1:2012-01 Battery charging interface for small handheld multimedia devices - Part 1: 2 mm barrel interface (IEC 62637-1:2011); German version EN 62637-1:2011
2012DIN EN 62637-1:2012-01 Battery charging interface for small handheld multimedia devices - Part 1: 2 mm barrel interface (IEC 62637-1:2011); German version EN 62637-1:2011