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4216 Jewellery. Metal properties, designation and alloys analysis

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Released: 2015
CSN EN 1811+A1
Reference test method for release of nickel from all post assemblies which are inserted into pierced parts of the human body and articles intended to come into direct and prolonged contact with the skin
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English
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Released: 2015
CSN EN ISO 18323
Jewellery - Consumer confidence in the diamond industry
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English
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Released: 2018
CSN EN ISO 8654
Jewellery - Colours of gold alloys - Definition, range of colours and designation
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English
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Released: 2014
CSN EN ISO 9202
Jewellery - Fineness of precious metal alloys
LANGUAGE
English