19/30383306 DC
BS EN ISO 8654 AMD1. Jewellery. Colours of gold alloys. Definition, range of colours and designation
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19/30383306 DC
Standard No.
19/30383306 DC
Release Date
2019
Published By
British Standards Institution (BSI)
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19/30383306 DC
19/30383306 DC history
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19/30383306 DC
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