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Jewellery - Determination of gold in gold jewellery alloys - Cupellation method (fire assay) (ISO 11426:2014)
Available design: Print design
Determination of gold in gold jewellery alloys. Cupellation method (fire essay)
Available design: Print design
Jewellery and precious metals - Fineness of precious metal alloys (ISO 9202:2019)
Available languages: English
Available design: Print design
Jewellery. Fineness of precious metal alloys
Available design: Print design
Jewellery - Fineness of precious metal alloys (ISO 9202:2014)
Available design: Print design
Jewellery. Ring-sizes. Definition, measurement and designation
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Jewellery - Colours of gold alloys - Definition, range of colours and designation (ISO 8654:2018)
Available languages: English
Available design: Print design
Jewellery - Colours of gold alloys - Definition, range of colours and designation (ISO 8654:2018)
Available languages: English
Available design: Print design
Colours of gold alloys. Definition, range of colours and designation
Available design: Print design
Silver and silver alloys. Determination of silver
Available languages: Czech
Available design: Print design