GB/T 4701.12-2024 Chinese PDF (GB/T4701.12-2024) GB/T 32234.9-2023 English versions: GB 29140-2024

English versions: GB 29140-2024

English versions: GB/T 37183-2023

English versions: GB/T 31547-2023

GB/T 45408-2025_Chinese: Information technology - Big data for ecological environment - Data classification and code (Chinese: 信息技术 生态环境大数据 数据分类与代码)

GB/T 45169-2025_Chinese: Additive manufacturing - Residual stress of metal parts - Method of sound beam control (Chinese: 增材制造 金属制件残余应力 声束控制法)

GB/T 4701.12-2024 Chinese PDF (GB/T4701.12-2024) GB/T 32234.9-2023 English versions: GB 29140-2024GB T 4701. 12 2024_Chinese: Ferrotitanium Determination of titanium content Diantipyrylmethane spectrophotometric method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4701. 12 2024