committee of experts on the transport of dangerous goods and on the globally harmonized system of classification and labelling of chemicals يبدو
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- committee of experts on the transport of dangerous goods and on the globally harmonized system of classification and labelling of chemicals معنى: لجنة الخبراء المعنية بنقل البضائع الخطرة وبالنظام المتوائم على الصعيد العالمي لتصنيف المواد الكيميائية ووسمها
