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sklademVydáno: 2020-01-08
BS EN ISO 8654:2018+A1:2019
Jewellery. Colours of gold alloys. Definition, range of colours and designation
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| Označení normy: | BS EN ISO 8654:2018+A1:2019 |
| Počet stran: | 24 |
| Vydáno: | 2020-01-08 |
| ISBN: | 978 0 539 02365 7 |
| Status: | Standard |
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BS EN ISO 8654:2018+A1:2019
This standard BS EN ISO 8654:2018+A1:2019 Jewellery. Colours of gold alloys. Definition, range of colours and designation is classified in these ICS categories:
- 39.060 Jewellery
This document specifies a limited number of colours of gold alloy and the method to measure colours.
It applies to objects made of gold alloys or coated by gold alloys.