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| Standard Code | Standard Title | Standard Class | Order |
|---|---|---|---|
| GB/T 16900.2-2020 |
Rules for the presentation of graphical symbols—Part 2: Methods for testing Comprehensibility 图形符号表示规则 第2部分：理解度测试方法 |
China National Standards Comprehensibility |
 English PDF |
| GB/T 34714-2017 |
Comprehensibility testing methodology for GHS labelling and safety data sheets of chemical 化学品GHS标签和安全技术说明书的可理解性测试方法 |
China National Standards Comprehensibility |
English PDF |
| GB/T 16903.2-2013 |
Rules for the presentation of graphical symbols for use on graphical signs - Part 2: Methods for testing Comprehensibility 标志用图形符号表示规则 第2部分：理解度测试方法 |
China National Standards Comprehensibility |
English PDF |
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