EN 23950:C1 90被替代
Dentistry - Designation System For Teeth And Areas Of The Oral Cavity
出版：Comite Europeen de Normalisation
专家解读视频
AC1 90 [01/01/0001]90 [01/01/0001]
UNI EN 23950:1991 - Identical
BS 6816:1987 - Identical
DIN 13910 (1990-10) - Equivalent
UNE 106141:1990 - Identical
SS EN 23 950:1990 - Identical
NS ISO 3950:1984 - Identical
NF EN 23950:1990 - Identical
