GB/T 29168.4-2024 Chinese PDF (GB/T29168.4-2024) GB/T 16702.6-2025 GB/T 45325-2025_Chinese: Determination of length

GB/T 45325-2025_Chinese: Determination of length of heat affected zone for precious metal bonding wire - Scanning electron microscope method (Chinese: 贵金属键合丝热影响区长度测定 扫描电镜法)

16-2024_Chinese: Explosive atmospheres - Part 16: Specification of electrical installations inspection and maintenance (Chinese: 爆炸性环境 第16部分：电气装置检查与维护规范)

English versions: GB/T 45360-2025

24-2025_Chinese: Iron ores - Determination of total rare earth contents - Arsenazo Ⅲ spectrophotometric method (Chinese: 铁矿石 稀土总量的测定 偶氮胂Ⅲ分光光度法)

English versions: GB/T 45335-2025

GB/T 29168.4-2024 Chinese PDF (GB/T29168.4-2024) GB/T 16702.6-2025 GB/T 45325-2025_Chinese: Determination of lengthGB T 29168. 4 2024_Chinese: Petroleum and natural gas industries Bends, fittings and flanges for pipeline transportation systems Part 4: Cold bends (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 29168. 4 2024