ISO 2157:2016现行
Dentistry - Nominal diameters and designation code numbers for rotary instruments
出版：International Organization for Standardization
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.
UNE 106501 : 1992 - Identical
DS EN ISO 2157 : 2016 - Identical
NFS 91 102 : 1984 - Identical
UNI EN ISO 2157 : 2016 - Identical
NBR ISO 2157 : 2012 - Identical
PN EN ISO 2157 : 2016 - Identical
BS 6828-2(1987) : 1987 - Identical
DIN 13950-2 : 1990 - Similar to
I.S. EN 22157:1990 - Identical
NF EN ISO 2157 : 2016 - Identical
CSA Z349.48.2 TO Z349.58 : 1994 - Identical
