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关注:1
2013-05-23 12:21
求翻译:All accessible surface coatings shall not contain lead in excess of 0.009% (90ppm) of the weight of the total content of paint or是什么意思?![]() ![]() All accessible surface coatings shall not contain lead in excess of 0.009% (90ppm) of the weight of the total content of paint or
问题补充: |
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