
Dental rotary instruments - Nominal diameters and designation code number
出版:International Organization for Standardization

专家解读视频
I.S. EN 22157:1990 - Identical
ONORM EN ISO 2157:1996 - Identical
DIN EN ISO 2157 (1995-04) - Identical
BS EN ISO 2157:1995 - Identical
NEN EN ISO 2157:1995 - Identical
JIS T 5503:2001 - Identical
SN EN ISO 2157:1995 - Identical
CSA Z349.48.2 TO Z349.58:1994 - Identical
UNE EN ISO 2157:1995 - Identical
SS EN ISO 2157 Ed. 1 (1995) - Identical
NS EN ISO 2157 Ed. 2 (1995) - Identical
UNI EN 22157:1990 - Equivalent
PN EN ISO 2157:2002 - Identical
NF EN ISO 2157:1995 - Identical
DIN 13950-2 (1990-04) - Similar
UNI EN ISO 2157:1997 - Identical
NBN EN 27787-3:1994 - Identical
NBN EN ISO 2157:1995 - Identical
I.S. EN ISO 2157:1995 - Identical
BS 6828-2:1987 - Identical
UNE 106501:1992 - Identical
KS P ISO 2157:2009 - Identical