Standard Code | Standard Title | Standard Class | Order |
---|---|---|---|
GB/T 38651.2-2020 |
Public information signs carrier—Part 2:Inspection method 公共信息标志载体 第2部分:检验方法 |
China National Standards 2:Inspection |
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GB/T 3780.12-2007 |
Carbon black - Part 12:Inspection of impurity material 炭黑 第12部分:杂质的检查 |
China National Standards 2:Inspection |
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