
Dental vocabulary. Dental materials
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
General notes:
Later ISO amendments not included.
SS EN 21 942-2 Ed. 1 (1993) - Identical
UNI EN 21942-2:1995 - Identical
NF EN 21942-2:1992 - Identical
I.S. EN 21942-2:1993 - Identical
NBN EN 21942-2:1992 - Identical
DIN EN 21942-2 (1993-01) - Identical
ONORM EN 21942-2:1993 - Identical
ISO 1942-2:1989 - Identical
UNE EN 21942-2:1993 - Identical