GB/T 18449.1-2024 Chinese PDF (GB/T18449.1-2024)

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GB/T 18449.1-2024 Chinese PDF (GB/T18449.1-2024)GB T 18449. 1 2024_Chinese: Metallic materials Knoop hardness test Part 1: Test method (Chinese: 1: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18449. 1 2024

352-2022_Chinese: Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) (Chinese: 低压电涌保护器元件第352部分：电信和信号网络的电涌隔离变压器(SIT)的选择和使用导则)

GB/T 17359-2023_Chinese: Microbeam analysis - Quantitative analysis using energy-dispersive spectrometry (EDS) for elements with an atomic number of 11 (Na) or above (Chinese: 微束分析原子序数不小于11的元素能谱法定量分析)

English versions: GB/T 44948-2024

English versions: GB/T 45122-2024

GB/T 17530

English versions: GB/T 44932-2024

GB/T 45291-2025_Chinese: Retreaded tyres for earth-movers (Chinese: 工程机械翻新轮胎)

GB/T 14601-2025_Chinese: Electronic specialty gas - Ammonia (Chinese: 电子特气氨)

GB/T 45104-2024_Chinese: Determination of gross energy of feeds - Bomb calorimetric method (Chinese: 饲料总能的测定氧弹量热法)

GB/T 44925-2024_Chinese: Requirement for portioning and storage of returned lunar sample (Chinese: 月球采样样品分样和保存要求)

GB/T 29389-2024_Chinese: Technical specification for performance testing of meat-type duck (Chinese: 肉鸭生产性能测定技术规范)

GB/T 45310-2025_Chinese: Specification for main control system of solar power tower plant (Chinese: 塔式太阳能光热发电站主控制系统技术条件)

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