2013UNE-EN ISO 13397-2:2006/A1:2013 Dentistry - Periodontal curettes, dental scalers and excavators - Part 2: Periodontal curettes of Gr-type - Amendment 1: Colour coding (ISO 13397-2:2005/Amd 1:2012)
2006UNE-EN ISO 13397-2:2006 Dentistry - Periodontal curettes, dental scalers and excavators - Part 2: Periodontal curettes of Gr-type (ISO 13397-2:2005)