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| International Standard Category: Thermal insulation of buildings |
GB/T 20311-2021 Building components and building elements—Thermal resistance and thermal transmittance—Calculation methods
建筑构件和建筑单元 热阻和传热系数 计算方法;
| Category No.: | 91.120.10 | Valid Status: | valid |
| Issued Organization: | SAMR; SAC | Issued Date: | 2021-08-20 |
| Implemented Date: | 2022-3-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
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