| 标准编号 | 11/30241787 DC (Superseded) |
| 标准名称 | Bs En 62321-7-1 - Determination Of Certain Substances In Electrotechnical Products - Part 7-1: Determination Of The Presence Of Hexavalent Chromium (Cr(6)) In Colourless And Coloured Corrosion-Protected Coatings On Metals By The Colourimetric Method |
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| 发布日期 | 2011-01-18 |
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