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| Standard Insuued on: 2008-11 |
GB/T 7778-2008 Number designation and safety classification of refrigerants
制冷剂编号方法和安全性分类
| Category No.: | GB | Valid Status: | superseded |
| Issued Organization: | AQSIQ; SAC | Issued Date: | 2008-11-12 |
| Implemented Date: | 2009-5-1 | Abolished Date: | |
| Superseded Standard.: | GB/T 7778-2017 Number designation and safety classification of refrigerants |
Superseded Date: | 2017-12-1 |
MT/T 1085-2008
MT/T 428-2008
JG/T 238-2008
MT/T 1084-2008
MT/T 448-2008
MT/T 66-2008
DB21/T 1688-2008
JG/T 237-2008
MT/T 914-2008
MT/T 429-2008
MT/T 374-2008
MT/T 1066-2008
MT/T 668-2008
DB21/T 1687-2008
GB/T 4303-2008
MT/T 454-2008
MT/T 704-2008
MT/T 65-2008
MT/T 830-2008
DB12/T 373-2011
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