
Colours Of Gold Alloys - Definition, Range Of Colours And Designation
出版:Italian Standards

專家解讀視頻
Specifies a limited number of colours of gold alloys. Applies to jewellery, and to watch cases and accessories with gold alloy coverings or watch cases and accessories made of gold alloys. Coverage includes measurement method and colour slips.
NF EN 28654:1993 - Identical
I.S. 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
EN 28654:1992 - Identical
ISO 8654:1987 - Equivalent
SS EN 28654 Ed. 1 (1993) - Identical
UNE EN 28654:1994 - Identical