2008UNE-EN ISO 6360-1:2004/AC:2008 Dentistry - Number coding system for rotary instruments - Part 1: General characteristics (ISO 6360-1:2004/Cor 1:2007)
2004UNE-EN ISO 6360-1:2004 Dentistry - Number coding system for rotary instruments - Part 1: General characteristics (ISO 6360-1:2004)