I.S. EN 28654:1993被替代
Colours Of Gold Alloys - Definition, Range Of Colours And Designation
出版：National Standards Authority of Ireland
专家解读视频
Specifies a limited number of colours of gold alloys.
EN 28654:1992 - Identical
SS EN 28654 Ed. 1 (1993) - Identical
ISO 8654:1987 - Identical
UNI EN 28654:1994 - Identical
NF EN 28654:1993 - Identical
NBN EN 28654:1993 - Identical
BS EN 28654:1993 - Identical
ONORM EN 28654:1993 - Identical
DIN EN 28654 (1993-03) - Identical
SN EN 28654:1993 - Identical
UNE EN 28654:1994 - Identical
