BS EN 28654:1993現行
Colours Of Gold Alloys - Definition, Range Of Colours, And Designation
出版：British Standards Institution
專家解讀視頻
1993 [15/03/1993]
? British Standards Institution 2013
UNE EN 28654:1994 - Identical
SS EN 28654 Ed. 1 (1993) - Identical
NBN EN 28654:1993 - Identical
ONORM EN 28654:1993 - Identical
DIN EN 28654 (1993-03) - Identical
SN EN 28654:1993 - Identical
ISO 8654:1987 - Identical
UNI EN 28654:1994 - Identical
NF EN 28654:1993 - Identical
I.S. EN 28654:1993 - Identical
EN 28654:1992 - Identical
