Periodontal curettes, dental scalers and excavators - Part 2: Periodontal curettes - Gr-type (ISO 13397-2:1996); German version EN ISO 13397-2:1996— 6 стр.
Dentistry - Periodontal curettes, dental scalers and excavators - Part 2: Periodontal curettes of Gr-type (ISO 13397-2:2005); German version EN ISO 13397-2:2005— 9 стр.
Dentistry - Periodontal curettes, dental scalers and excavators - Part 2: Periodontal curettes of Gr-type (ISO 13397-2:2005); German version EN ISO 13397-2:2005— 9 стр.