GB/T 39388- 2020/CIE S 023/E:2013.Characterization of the performance of illuminance meters and luminance meters.GB/T 39388适用于照度计和亮度计.本标准定义了应用于普...
GB/T 39378-2020.Sockets for spark-plugs- and glow-plugs.GB/T 39378规定了火花塞和电热塞套简的分类.要求.试验方法、检验规则和标志包装、运输与贮存。...
GB/T 40002-2021.Oral hard tissue safety evaluation of toothpastes.5.2.2磨抛设备具有连续粒度变化的碳化硅研磨盘(最细可达P1200),能使用金刚石浆料进行样本...
GB/T 39999-2021.Determination of 15 kinds of prohibited quinolone-type antibiotics in cosmetics including enrofloxacin- -Liquid chromatography-tandem mass spectrometry.GB/T 39999规定...
GB/T 39996-2021.Fireworks and firecrackers- -Determination of calorific value of pyrotechnic powder.6.1.2氧弹热量计主要有恒温式和绝热式两种,量热系统均被包围在...
GB/T 38575-2021.Spectacle frames- Screw threads.1范围GB/T 38575规定了用于眼镜架的螺纹的分类和要求、螺丝的长度和公差、螺纹丝锥和测量器具。GB/T ...
GB/T 39998-2021.Paper, board and paper products- Determination of alkylphenol polyethoxylates- HPLC-MS method.6标准品的配制6.1辛 基苯酚聚氧乙烯醚标准储备液(1000 ...
GB/T 40274-2021.Tissue paper- Assessment and monitoring guidelines to quality safety condition of production process.生活用纸质量安全因子评估和控制以消费者健康安...
GB/T 40269-2021.Absorbent sanitary paper products- A ssessment and monitoring guidelines to quality safety condition of production process.5.2质量安全因子识别5.2.1总 则5.2...
GB/T 40276-2021.Soft nonwoven towels.GB/T 40276规定了柔巾的要求、试验方法、检验规则.标识和包装、运输和贮存。GB/T 40276适用于以纺织纤维为原料...
