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Palladium white gold alloy ring settings and method of making same
Palladium white gold alloy ring settings and method of making same
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机译:钯白金合金戒托及其制造方法
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摘要
A ring setting is made from a nickel-free palladium white gold alloy that contains 7-12% by weight palladium; 50-65% by weight gold; 25- 32% by weight silver; and 1-5% by weight zinc. Such ring settings are resistant to chemical or stress corrosion cracking.
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