
Dentistry – Intra-oral mirrors (ISO 9873:2019); German version EN ISO 9873:2019
出版:German Institute for Standardisation (Deutsches Institut für Normung)

專家解讀視頻
EN ISO 9873:2019 - Identical
ISO 9873:2019 - Identical
EN ISO 9873 : 2017 - Identical
ISO 9873:2019 - Identical
EN ISO 9873:2019 - Identical
EN ISO 9873 : 2017 - Identical