Cr-FREE SURFACE TREATMENT COMPOSITION AND SURFACE TREATED Cr-FREE STEEL SHEET
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机译:无铬表面处理成分和表面处理无铬钢板
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摘要
The present invention relates to a chrome-free surface treatment composition and a chrome-free surface-treated steel sheet, and more particularly to a chrome-free surface treatment composition comprising an acryl-urethane binder resin and a remainder base component and a chromium- To a surface treated steel sheet.
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