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Keyword [Tarnish]
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1. Tarnishing Mechanism And Anti-tarnishing Techniques Of Gold And Silver Coins
2. Study On Strengthening Mechanisms And Corrosion Behavior Of High-performance 990Au And 925Ag Alloys
3. Research On Electrochemical Polishing And Anti-tarnish Techniques Of Silver
4. Study On Environment-friendly Protective Agents Of The Coating
5. Development And Performance Evaluation Of The Precious Metal Dental Casting Alloys
6. Study Of Tarnish Mechanism And Anti-tarnishing Technology Of Silver Coin
7. Study On Preparation Of Food Grade Magnesium Chloride At Low Temperature
8. Using Al2O3/TiO2 Nano-films To Improve The Scratch And Discoloration Resistance Of 925 Silver Ornaments
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