2013DIN EN ISO 11148-7:2013-01 Hand-held non-electric power tools - Safety requirements - Part 7: Grinders (ISO 11148-7:2012); German version EN ISO 11148-7:2012
1970DIN EN ISO 11148-7 E:2011-03 Safety requirements for hand-held non-power tools Part 7: Thread grinders (draft)