I.S. EN 21942-4:1994被替代
Dental Vocabulary - Dental Equipment
出版：National Standards Authority of Ireland
专家解读视频
Defines terms used in dentistry, particularly those relating to dental equipment.
UNI EN 21942-4:2001 - Identical
BS EN 21942-4:1994 - Identical
ONORM EN 21942-4:1994 - Identical
DIN EN 21942-4 (1994-02) - Identical
UNE EN 21942-4:1994 - Identical
ISO 1942-4:1989 - Identical
SS EN 21 942-4 Ed. 1 (1994) - Identical
NF EN 21942-4:1994 - Identical
NBN EN 21942-4:1994 - Identical
