GB/T 43303-2023 Chinese PDF (GB/T43303-2023) GB/T 45196-2025 GB/T 4138-2024_Chinese: Rare earth ferrosilicon

GB/T 4138-2024_Chinese: Rare earth ferrosilicon magnesium alloy (Chinese: 稀土镁硅铁合金)

English versions: GB 45549-2025

2-2025_Chinese: Semi-finished spectacle lens blanks - Part 2: Power-variation (Chinese: 半成品镜片毛坯 第2部分：渐变焦)

GB/T 19794-2023_Chinese: Agricultural irrigation equipment - Volumetric valves - General requirements and test methods (Chinese: 农业灌溉设备 定量阀 技术要求和试验方法)

GB/T 45379-2025_Chinese: Five-axis hybrid electrical discharge and arc milling machines - Testing of the accuracy (Chinese: 五轴电火花电弧复合铣削机床 精度检验)

GB/T 43303-2023 Chinese PDF (GB/T43303-2023) GB/T 45196-2025 GB/T 4138-2024_Chinese: Rare earth ferrosiliconGB T 43303 2023_Chinese: Petroleum drilling and production equipment Sucker rod (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43303 2023