
Dentistry - Nominal Diameters and Designation Code Numbers for Rotary Instruments (iso 2157:2016)
出版:National Standards Authority of Ireland

专家解读视频
Explains the nominal diameters of the working parts of dental rotary instruments, for example burs, laboratory burs, grinding instruments, diamond instruments, mandrels and the corresponding designation.
NS EN ISO 2157:2016 - Identical
NBN EN ISO 2157:2016 - Identical
NEN EN ISO 2157:2016 - Identical
UNI EN ISO 2157:1997 - Identical
NS EN ISO 2157:1995 - Identical
BS EN ISO 2157:2016 - Identical
SN EN ISO 2157:2016 - Identical
ONORM EN ISO 2157:2016 - Identical
UNE EN ISO 2157:1995 - Identical
EN ISO 2157:2016 - Identical
SS EN ISO 2157 Ed. 1 (1995) - Identical
UNE EN ISO 2157:2016 - Identical
NF EN ISO 2157:2016 - Identical