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article coated with a galvanic layer of hard chrome.
article coated with a galvanic layer of hard chrome.
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机译:镀有硬铬电镀层的物品。
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摘要
In an electrodeposited hard-chromium coat, particularly for a piston ring, which is substantially formed of an electrolyte containing hexavalent chromium, wherein there are cracks in the coat and diamond particles are embedded in these cracks, the diamond particles have a size ranging from 0.25 to 0.5 mum.
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