| 1. | Number designation and safety classification of refrigerants 制冷剂数字名称和安全分类 |
| 2. | Number designation and safety classification of refrigerants 制冷剂编号方法和安全性分类 |
| 3. | Number designation of organic refrigerants 有机致冷剂的数值标识 |
| 4. | M number designation and safety classification of refrigerants addendum m 制冷剂的数值标识和安全分类 |
| 5. | 1 number designation and safety classification of refrigerants addendum l 制冷剂的数值标识和安全分类 |
| 6. | Number designation of refrigerants 制冷剂编号表示方法 |
| 7. | Number designation and safety classification of refrigerants addendum u 制冷剂的数值名称与符号和安全分类.修改件 |