
Dental materials. Determination of colour stability
出版:British Standards Institution

专家解读视频
© British Standards Institution 2013
I.S. EN ISO 7491:2000 - Identical
UNI EN ISO 7491:2001 - Identical
NBN EN ISO 7491:2000 - Identical
NF EN ISO 7491:2000 - Identical
ONORM EN ISO 7491:2000 - Identical
DIN EN ISO 7491 (2001-01) - Identical
SN EN ISO 7491:2000 - Identical
NS EN ISO 7491 Ed. 2 (2000) - Identical
UNE EN ISO 7491:2001 - Identical
ISO 7491:2000 - Identical
SS EN ISO 7491 Ed. 1 (2000) - Identical
NEN EN ISO 7491:2000 - Identical