BS EN 27490:1992被替代
Specification for dental gypsum-bonded casting investments for gold alloys
出版：British Standards Institution
专家解读视频
Specifies requirements and test methods for alloys with liquidus temperatures up to 1080C.
© British Standards Institution 2013
UNE EN 27490:1993 - Identical
SS EN 27 490:1992 - Identical
ISO 7490:1990 - Identical
ISO 7490:2000 - Identical
UNI EN 27490:1992 - Identical
I.S. EN 27490:1992 - Identical
DIN EN 27490 (1991-11) - Identical
ONORM EN 27490:1992 - Identical
NF EN 27490:1992 - Identical
