GB/T 38216.4-2024 Chinese PDF (GB/T38216.4-2024) GB/T 20510-2024 1-2024_Chinese: Standard practice for determining

1-2024_Chinese: Standard practice for determining the metallographical constituent and inclusion content of steels and other metals by automatic image analysis - Part 1: Determining the inclusion or second-phase constituent content of steels and other metals by automatic (Chinese: 应用自动图像分析测定钢和其他金属中金相组织、夹杂物含量和级别的标准试验方法 第1部分：钢和其他金属中夹杂物或第二相组织含量的图像分析与体视学测定)

programme and portfolio management - Guidance on project management (Chinese: 项目、项目群和项目组合管理 项目管理指南)

GB/T 45126-2025_Chinese: Determination of carbon dioxide content of steel slag during carbonation fixation (Chinese: 钢渣碳酸化固定二氧化碳含量的测定方法)

English versions: GB/T 45429-2025

English versions: GB/T 45584-2025

GB/T 38216.4-2024 Chinese PDF (GB/T38216.4-2024) GB/T 20510-2024 1-2024_Chinese: Standard practice for determiningGB T 38216. 4 2024_Chinese: Steel slag Determination of total iron content Titanium(III) chloride potassium dichromate titration methods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 38216. 4 2024