China National Standards

China quality class GB Standards List


  •  China " quality class" GB Standards List:
  • Standard  Code Standard Title Standard Class Order
    GB/T 44164-2024 General rules for quality classification of consumer products {译}
    消费品质量分级通则
    China National Standards
    quality class

    English PDF
    GB/T 43550.2-2023 Mechanical pencils and lead for general use - Classification, dimensions, quality and test methods - Part 2: Black lead {译}
    一般用途活动铅笔和铅芯 分类、尺寸、质量和试验方法 第2部分:黑铅芯
    China National Standards
    quality class

    English PDF
    GB/T 43550.1-2023 Mechanical pencils and lead for general use - Classification, dimensions, quality and test methods - Part 1: Mechanical pencils {译}
    一般用途活动铅笔和铅芯 分类、尺寸、质量和试验方法 第1部分:活动铅笔
    China National Standards
    quality class

    English PDF
    GB/T 25211-2023 Lantan product classification and quality requirements {译}
    兰炭产品分类及质量要求
    China National Standards
    quality class

    English PDF
    GB/T 42387-2023 Glass measuring vessels - Technical requirements for quality classification {译}
    玻璃量器 质量分级技术要求
    China National Standards
    quality class

    English PDF
    GB/T 42401-2023 Laser cladding repair Defect quality classification {译}
    激光熔覆修复 缺陷质量分级
    China National Standards
    quality class

    English PDF
    GB/T 15224.3-2022 Coal quality classification part 3: calorific value {译}
    煤炭质量分级 第3部分:发热量
    China National Standards
    quality class

    English PDF
    GB/T 15224.2-2021 Classification for quality of coal—Part 2: Sulfur content
    煤炭质量分级 第2部分:硫分
    China National Standards
    quality class

    English PDF
    GB/T 41138-2021 Product quality information system -- Information classification, sharing and exchange
    产品质量信息系统 信息分类与共享交换
    China National Standards
    quality class

    English PDF
    GB/T 23901.3-2019 Non-destructive testing—Image quality of radiographs—Part 3:Image quality classes
    无损检测 射线照相检测图像质量 第3部分:像质分类
    China National Standards
    quality class

    English PDF
    GB/T 15224.1-2018 Classification for quality of coal—Part 1: Ash
    煤炭质量分级 第1部分:灰分
    China National Standards
    quality class

    English PDF
    GB/T 35361-2017 Ultrasonic testing technique and quality classification for titanium butt weld joints on submersible
    潜水器钛合金对接焊缝超声波检测及质量分级
    China National Standards
    quality class

    English PDF
    GB/T 35367-2017 X-ray radiography technique and quality classification for titanium butt weld joints on submersible
    潜水器钛合金对接焊缝X射线检测及质量分级
    China National Standards
    quality class

    English PDF
    GB/T 35429-2017 Classification and codes for quality technology services
    质量技术服务分类与代码
    China National Standards
    quality class

    English PDF
    GB/Z 32519.3-2016 1000MW Class Hydraulic-generator—Part 3: Quality Inspection Standards For Installation
    1000MW级水轮发电机 第3部分:安装质量检测导则
    China National Standards
    quality class

    English PDF
    GB/T 31526-2015 Evaluation and classification of service quality for electronic commerce platform
    电子商务平台服务质量评价与等级划分
    China National Standards
    quality class

    English PDF
    GB/T 17320-2013 quality classification of wheat varieties
    小麦品种品质分类
    China National Standards
    quality class

    English PDF
    GB/T 28300-2012 Surface quality classes for hot-rolled bars and rods technical delivery conditions
    热轧棒材和盘条表面质量等级交货技术条件
    China National Standards
    quality class

    English PDF
    GB/T 26422-2010 Classification of azadiractin indica seed quality
    印楝种子质量分级
    China National Standards
    quality class

    English PDF
    GB/T 25212-2010 Classification and quality grading for blue-coke
    兰炭产品品种及等级划分
    China National Standards
    quality class

    English PDF
    GB/T 15224.3-2010 Classification for quality of coal - Part 3: Calorific value
    煤炭质量分级 第3部分:发热量
    China National Standards
    quality class

    English PDF
    GB/T 15224.2-2010 Classification for quality of coal - Part 2: Sulfur content
    煤炭质量分级 第2部分:硫分
    China National Standards
    quality class

    English PDF
    GB/T 15224.1-2010 Classification for quality of coal - Part 1: Ash
    煤炭质量分级 第1部分:灰分
    China National Standards
    quality class

    English PDF
    GB/T 23901.3-2009 Non-destructive testing - Image quality of radiographs - Part 3: Image quality classes for ferrous metals
    无损检测 射线照相底片像质 第3部分:黑色金属像质分类
    China National Standards
    quality class

    English PDF
    GB/T 13304.2-2008 Steels classification - Part 2: Classification of according to main quality classes and main property or application characteristics
    钢分类 第2部分:按主要质量等级和主要性能或使用特性的分类
    China National Standards
    quality class

    English PDF
    GB/T 18737.4-2003 Textile machinery and accessories--Beams for winding--Part 4:quality classification of flanges for Weaver’s beams,warper’s beams and sectional beams
    纺织机械与附件 经轴 第4部分:织轴、整经轴和分段整经轴边盘的质量等级
    China National Standards
    quality class

    English PDF
    GB 7908-1999 Classification of forest tree seed quality
    林木种子质量分级
    China National Standards
    quality class

    English PDF

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