GB/T 39548-2020
真空绝热板湿热条件下热阻保留率的测定
Determination of retention rate on thermal resistance of vacuum insulation panels(VIP) in hygrothermal conditions
- 实施日期
- 2021-11-01
- ICS 分类
- 91.100.60
组合使用关键词、标准类型、状态与 ICS 分类,快速定位所需国家标准。
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GB/T 39548-2020
Determination of retention rate on thermal resistance of vacuum insulation panels(VIP) in hygrothermal conditions
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Test method for dissolution rate and quantity of SO42- released from gypsum
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Sulphoaluminate cement mending binder for marine engineering
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Integrated circuit card device for lifts
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Test method of thermal irregularities for external window opening
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Lightning protection system components (LPSC)—Part 2: Requirements for air-termination systems,down-conductors and earth electrodes
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Lightning protection system components (LPSC)—Part 4: Requirements for conductor fasteners
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Lightning protection system components(LPSC)—Part 1:Requirements for connection components
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Determination methods of characteristic values for dowel-bearing strength and withdrawal capacity of nails and screws in timber structure
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Lightning protection system components (LPSC)—Part 6: Requirements for lightning strike counters (LSC)
GB/T 39287-2020
Closed expansion vessels