QB/T 4251-2011.Primary-secondary quartz clocks for ships.1范围QB/T 4251规定了船舶用石英子母钟...

行业标准2023.07.27

QB/T 4252-2011.Valuable hardwood clock cases—General requirements and test metho...

行业标准2023.07.27

QB/T 4253-2011.Test method for crazing resistance of domestic ceramic ware.1范围QB...

行业标准2023.07.27

QB/T 4254—2011.Ceramic winebottle.6试验方法6.1铅、镉溶出量铅、镉溶出量的测定按GB/T 3534执行。6.2吸水率吸水率的...

行业标准2023.07.27

QB/T 4255-2011.Printing gold paste.1范围QB/T 4255规定了印刷金膏的术语和定义、产品分类、要求、试验方法、检验规则及标...

行业标准2023.07.27

QB/T 4256-2011.Guildline for evaluation of cosmetics moisturization efficacy.1范围...

行业标准2023.07.27

QB/T 4265-2011.Special locking pliers.4.3.1大力钳均应具有四杆机构或凸轮装置，在夹持状态下，钳口应能夹紧和夹持锁定。4...

行业标准2023.07.27

QB/T 4266-2011.Construction worker's pincers.4技术要求4.1材料采用能够达到本标准要求的优质碳素结构钢或合金结构钢...

行业标准2023.07.27

QB/T 4267-2011.Curve saw blade.1范围QB/T 4267规定了曲线锯条的术语和定义、产品分类、技术要求、试验方法、检验规则和标志、...

行业标准2023.07.27

QB/T 4271-2011.Zero power electronic starter for hermetic motor-compressor.1范围QB...

行业标准2023.07.27