GB/T 31275-2020
照明设备对人体电磁辐射的评价
Assessment of lighting equipment related to human exposure to electromagnetic field
- 实施日期
- 2021-02-01
- ICS 分类
- 17.240;91.160.01
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 31275-2020
Assessment of lighting equipment related to human exposure to electromagnetic field
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GB/T 38762.2-2020
Geometrical product specifications (GPS)—Dimensional tolerancing—Part 2: Dimensions other than linear or angular sizes
GB/T 38762.1-2020
Geometrical product specifications (GPS)—Dimensional tolerancing—Part 1: Linear sizes
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Geometrical product specifications (GPS)—X-ray three dimensional size measuring machines—Part 6: Testing method of workpieces
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Geometrical product specifications(GPS)—General concepts—Part 4: Geometrical characteristics for quantifying GPS deviations
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Geometrical product specifications (GPS)—General concepts—Part 2: Basic tenets, specifications, operators, uncertainties and ambiguities
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Geometrical product specifications (GPS)—Geometrical tolerancing—Pattern and combined geometrical specification
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Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 2: Tables of standard tolerance classes and limit deviations for holes and shafts
GB/T 1800.1-2020
Geometrical product specifications (GPS)—ISO code system for tolerances on linear sizes—Part 1: Basis of tolerances, deviations and fits