
Jewellery - Colours of gold alloys - Definition, range of colours and designation
出版:International Organization for Standardization

專(zhuān)家解讀視頻
Gives a limited number of colours of gold alloy and the method to measure colours.
DS/EN ISO 8654:2018 - Identical
PN-EN ISO 8654:2018 - Identical
EN ISO 8654 : 2018 - Identical
SS-EN ISO 8654:2018 - Identical
NF EN ISO 8654:2018 - Identical
UNI EN ISO 8654:2018 - Identical
UNE EN ISO 8654:2018 - Identical
UNI EN ISO 8654:2018 - Identical
NF EN ISO 8654:2018 - Identical
PN-EN ISO 8654:2018 - Identical
DS/EN ISO 8654:2018 - Identical
SS-EN ISO 8654:2018 - Identical
EN ISO 8654 : 2018 - Identical