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sklademVydáno: 2015
ISO 3160-2:2015
ISO 3160-2:2015-Watch-cases and accessories — Gold alloy coverings — Part 2: Determination of fineness, thickness, corrosion resistance and adhesion
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| Označení normy: | ISO 3160-2:2015 |
| Počet stran: | 14 |
| Vydání: | 4 |
| Vydáno: | 2015 |
Popis
ISO 3160-2:2015
ISO 3160-2:2015 specifies methods to determine fineness, thickness, corrosion resistance and adhesion for gold alloy coverings on watch-cases and accessories, including bracelets when they are permanently attached to the case. The tests apply only to significant surfaces. ISO 3160-2:2015 applies to all gold alloy coverings specified in ISO 3160‑1.