TIMEPIECE MADE FROM ROSE GOLD ALLOY
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United States of America Patent
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Issued Date -
Dec 24, 2015
app pub date -
Feb 6, 2014
filing date -
Feb 6, 2013
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Abstract
The invention relates to a timepiece or piece of jewelry comprising an alloy containing at least 750 wt.-‰ gold, characterised in that the alloy comprises copper, calcium at a concentration of less than or equal to 10‰ or 7‰ or even 5‰, and/or silicon at a concentration of less than or equal to 2‰ or less than or equal to 0.5‰.
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