GB/T 3648-2024 Chinese PDF (GB/T3648-2024) GB/T 44957-2024 GB/T 45357-2025_Chinese: Plastics piping systems

GB/T 45357-2025_Chinese: Plastics piping systems on ships - Polyethylene (PE) pipes and fittings (Chinese: 船用塑料管道系统 聚乙烯（PE）管材及管件)

English versions: GB/T 8292-2025

3-2025_Chinese: Artificial intelligence - Large-scale model - Part 3: Service capability maturity assessment (Chinese: 人工智能 大模型 第3部分：服务能力成熟度评估)

GB/T 45484-2025_Chinese: Ships and marine technology - Bunker fuel mass flow meters on receiving vessel - Requirements (Chinese: 船舶与海上技术 接收船上加注燃料质量流量计 要求)

English versions: GB/T 45571-2025

GB/T 3648-2024 Chinese PDF (GB/T3648-2024) GB/T 44957-2024 GB/T 45357-2025_Chinese: Plastics piping systemsGB T 3648 2024_Chinese: Ferrotungsten (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3648 2024