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TIMEPIECE OR PIECE OF JEWELLERY OR GEMSTONE JEWELLERY MADE OF GOLD
TIMEPIECE OR PIECE OF JEWELLERY OR GEMSTONE JEWELLERY MADE OF GOLD
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机译:黄金制成的珠宝首饰的时标或件
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摘要
A timepiece or piece of jewellery or gemstone jewellery made of a zinc-free, germanium-free, nickel-free, cobalt-free, indium-free gold alloy, the alloy containing, in weight percent, between 75% and 77.5% of gold, between 0.5% and 3% of palladium, between 10% and 18% of silver and between 5% and 13% of copper, wherein the respective percentages of all the alloying elements add up to 100%.
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