
Dental Gypsum-bonded Casting Investments For Gold Alloys
出版:National Standards Authority of Ireland

专家解读视频
Establishes a classification of, and specifies requirements for, gypsum-bonded casting investments together with the test methods to be used to determine compliance with these requirements.
UNE EN 27490:1993 - Identical
SS EN 27 490:1992 - Identical
ISO 7490:2000 - Identical
UNI EN 27490:1992 - Identical
BS EN 27490:1992 - Identical
DIN EN 27490 (1991-11) - Identical
ONORM EN 27490:1992 - Identical
NF EN 27490:1992 - Identical