NF EN ISO 8654/A1
Jewellery - Colours of gold alloys - Definition, range of colours and designation - Amendment 1
| Fecha edición: |
2019-12-18
En Vigor
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| Idiomas disponibles: | Inglés, Francés |
| Keywords: | JEWELS|GOLD ALLOYS|DESIGNATION|COLOUR|LISTS|DEFINITIONS|MEASUREMENT|PREPARATION|SAMPLES|SPECTROPHOTOMETERS|RATINGS|DATA|TOLERANCES : MEASUREMENT|CHEMICAL COMPOSITION |
| ICS: | 39.060 - Joyería, 39 - MECANICA DE PRECISION. JOYERIA |
| CTN: |










