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English versions: GB/T 2773-2025
GB 45671-2025_Chinese: Safety technical specifications for construction waterproof coatings (Chinese: 建筑防水涂料安全技术规范)
GB/T 44873-2024_Chinese: Product traceability - Rules and requirements for traceability coding (Chinese: 产品追溯 追溯编码规则和要求)
GB/T 34110-2025_Chinese: Information and documentation - Records management - Core concepts and vocabulary (Chinese: 信息与文献 文件（档案）管理 核心概念与术语)
English versions: GB 45186-2024
GB/T 4340.3-2025 Chinese PDF (GB /T4340.3-2025) GB/T 22251-2024 English versions: GB/T 2773-2025GB T 4340. 3 2025_Chinese: Metallic materials Vickers hardness test Part 3: Calibration of reference blocks (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4340. 3 2025
