GB/T 19494.3-2023 Chinese PDF (GB/T19494.3-2023) GB/T 44928-2024 English versions: GB/T 18297-2024

English versions: GB/T 18297-2024

GB/T 28182-2024_Chinese: Surge arresters containing series gapped structures with rated voltage 52 kV and less (Chinese: 额定电压52 kV及以下带串联间隙避雷器)

1-2024_Chinese: Metallic materials - Knoop hardness test - Part 1: Test method (Chinese: 金属材料 努氏硬度试验 第1部分: 试验方法)

3-2024_Chinese: Iron ores - Experimental methods for checking the precision of sampling (Chinese: 铁矿石 校核取样精密度的实验方法)

GB/T 17925-2024_Chinese: Practice for X-ray digital radioscopic examination of cylinder weld (Chinese: 气瓶对接焊缝X射线数字成像检测)

GB/T 19494.3-2023 Chinese PDF (GB/T19494.3-2023) GB/T 44928-2024 English versions: GB/T 18297-2024GB T 19494. 3 2023_Chinese: [Including 2025XG1] Mechanical sampling of coal Part 3: Determination of precision and bias test (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 19494. 3 2023