ISO 7491:2000現(xiàn)行
Dental materials - Determination of colour stability
出版：International Organization for Standardization
專家解讀視頻
This International Standard specifies a method for the determination of the colour stability of dental materials after exposure to light and water.
NEN EN ISO 7491:2000 - Identical
UNE EN 27491:1992 - Identical
SS EN 27 491:1992 - Identical
SS EN ISO 7491 Ed. 1 (2000) - Identical
BS 6790:1987 - Identical
NS EN ISO 7491 Ed. 2 (2000) - Identical
PN EN ISO 7491:2002 - Identical
JIS T 6003:2005 - Identical
BS EN ISO 7491:2000 - Identical
SNV DIN EN 27491:1991 - Identical
SNV NF EN 27491:1991 - Identical
SN EN ISO 7491:2000 - Identical
SS 87 564 62 Ed. 1 (1989) - Identical
CSA Z349.16 TO Z349.28:1992 - Identical
UNI EN 27491:1992 - Equivalent
DIN 13931 (1987-05) - Equivalent
I.S. EN ISO 7491:2000 - Identical
I.S. EN 27491:1992 - Identical
GOST R ISO 7491:1995 - Identical
UNI EN ISO 7491:2001 - Identical
NBN EN ISO 7491:2000 - Identical
NF EN ISO 7491:2000 - Identical
DIN EN 27491 (1991-09) - Identical
ONORM EN ISO 7491:2000 - Identical
DIN EN ISO 7491 (2001-01) - Identical
UNE EN ISO 7491:2001 - Identical
KS P ISO 7491:2008 - Identical
