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| Standard Insuued on: 2012-10 |
DB31/T 643-2012 Minimum allowable values of energy efficiency and energy efficiency grades for Quick freezer (incividually quick freezing freezer, spiral freezer, plate freezer)
速冻装置（流态化、螺旋式、平板式）能效限定值及能效等级
| Category No.: | DB | Valid Status: | valid |
| Issued Organization: | Shanghai Quality and Technology Supervision Bureau | Issued Date: | 2012-10-19 |
| Implemented Date: | 2013-2-1 | Abolished Date: | |
| Superseded Standard.: | Superseded Date: |
DB21/T 2023-2012
DB31/ 647-2012
DB50/T 465-2012
DB52/T 782-2012
DB45/T 847.1-2012
DB45/T 846-2012
DB42/T 861-2012
DB42/T 856-2012
DB46/T 39-2012
DB45/T 852-2012
DB21/T 1304-2012
DB45/T 851-2012
DB62/T 2284-2012
DB42/T 858-2012
DB21/T 2022-2012
DB45/T 847.2-2012
DB43/T 726-2012
DB45/T 845-2012
DB65/T 3448-2012
DB45/T 848-2012
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