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2. 统一化学品分类和标签
2. harmonization of classification and labelling of chemicals
Last Update: 2016-12-04
Usage Frequency: 1
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b. 委员会有关全球化学品统一分类和标签制度的工作
b. work of the committee regarding the globally harmonized system of classification and labelling of chemicals
Last Update: 2016-12-04
Usage Frequency: 12
Quality: