NF ISO 23345
Jewellery and precious metals — Non destructive precious metal fineness confirmation by ED-XRF
| Fecha edición: |
2021-09-18
En Vigor
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| Idiomas disponibles: | Inglés, Francés |
| Keywords: | PRECIOUS METALS|NONDESTRUCTIVE TESTS|ALLOYS|TEST EQUIPMENT|JEWELS|COMPUTATION|X RAYS|CALIBRATION|FLUORESCENCE|UNCERTAINTY|METAL ASSAY |
| ICS: | 39.060 - Joyería, 39 - MECANICA DE PRECISION. JOYERIA |
| CTN: |










