GB/T 24202-2021.Carbon steel wire for tension members of optical fiber cable. 1范围 GB/T 24202规定了光缆增强用碳素钢丝的术语和定义、分类和标记、订货内容、尺寸、外形及允许偏差、技术要求、检验方法、检验规则、包装

GB/T 6809.12-2021.Reciprocating internal combustion engines-Vocabulary of components and systems-Part 12 : Exhaust emission control systems. 1范围 GB/T

GB 17957-2021.Rock drilling machines and pneumatic tools-Safety requirements. 1范围 GB 17957规定了凿岩机械与气动工具在设计、制造、使用和维护过程中的一般安全要求。 GB 17957适用于以气动、电动、液压或内燃为

GB/T 39879-2021.Examination methods for five components in opium in suspected drugs-Gas chromatography and gas chromatography-mass spectrometry. 1范围 G

GB/T 39885-2021.Examination methods for triazolam in suspected drugs-Gas chromatography and gas chromatography-mass spectrometry. 1范围 GB/T 39885规定了三唑仑

GB/T 40036-2021.Translation services-Post-editing of machine translation output-Requirements. 1范围 GB/T 40036规定了对机器翻译结果进行深度人工译后编辑的过程要求以及对译后编辑人员的能力要求。 G

GB/T 9966.18-2021.Test methods for natural stone-Part 18 : Petrographic examination. 1范围 GB/T 9966的本部分规定了天然石材岩相分析的原理、仪器设备、试样制备、肉眼观察描述、微观观察描述.判定试验报告。 G

GB/T 9966.14-2021.Test methods for natural stone-Part 14 : Determination of rupture energy. 1范围 GB/T 9966的本部分规定了通过冲击天然石材测定断裂能量试验的原理、仪器设备、试样制备、试验步骤、试验结

GB/T 39992-2021.Sensory analysis-Methodology-Balanced incomplete block designs. 1范围 GB/T 39992规定了在感官描述分析和喜好测试中应用平衡不完全区组设计的方法。 GB/T 39992适用于被测试样品数超过在一个

GB/T 33351.2-2021.Determination of arsenic , beryllium, antimony in electrical and electronic products-Part 2: Inductively coupled plasma optical emis

GB/T 39884-2021.Examination methods for three components in cannabis in suspected drugs- Gas chromatography and gas chromatography-mass spectrometry.

GB/T 9966.17-2021.Test methods for natural stone-Part 17 : Determination of resistance to salt crystallization. 1范围 GB/T 9966的本部分规定了测定天然石材盐结晶强度的原理、仪器设