DIN EN ISO 13397-2:2013 Dentistry - Periodontal curettes, dental scalers and excavators - Part 2: Periodontal curettes of Gr-type - Colour coding (ISO 13397-2:2005 + Amd 1:2012); German version EN ISO 13397-2:2005 + A1:2012
2013DIN EN ISO 13397-2:2013 Dentistry - Periodontal curettes, dental scalers and excavators - Part 2: Periodontal curettes of Gr-type - Colour coding (ISO 13397-2:2005 + Amd 1:2012); German version EN ISO 13397-2:2005 + A1:2012
2005DIN EN ISO 13397-2:2005 Dentistry – Periodontal curettes, tooth cleaners and excavators – Part 2: Gr-type periodontal curettes (ISO 13397-2:2005); German version EN ISO 13397-2:2005