KS B ISO 2380-2-2012(2017) Assembly tools for screws and nuts-Screwdrivers for slotted-head screws-Part 2:General requirements, lengths of blades and marking of hand-operated screwdrivers
2012KS B ISO 2380-2:2012 Assembly tools for screws and nuts-Screwdrivers for slotted-head screws-Part 2:General requirements, lengths of blades and marking of hand-operated screwdrivers