GB/T 33348-2024 Chinese PDF (GB/T33348-2024) GB/T 28589-2024 GB/T 21037-2024_Chinese: Determination of diaveridine

GB/T 21037-2024_Chinese: Determination of diaveridine

GB/T 3518-2023_Chinese: Flake graphite (Chinese: 鳞片石墨)

2-2024_Chinese: Cybersecurity technology - Message authentication codes(MACs) - Part 2: Mechanisms using a dedicated hash-function (Chinese: 网络安全技术 消息鉴别码 第2部分：采用专门设计的杂凑函数的机制)

331-2024_Chinese: Components for low-voltage surge protection - Part 331: Performance requirements and test methods for metal oxide varistors (MOV) (Chinese: 低压电涌保护器元件 第331部分：金属氧化物压敏电阻（MOV）的性能要求和试验方法)

GB/T 45356-2025_Chinese: Polypropylene(PP) piping systems for non-pressure buried drainage and sewerage (Chinese: 无压埋地排污、排水用聚丙烯（PP）管道系统)

GB/T 33348-2024 Chinese PDF (GB/T33348-2024) GB/T 28589-2024 GB/T 21037-2024_Chinese: Determination of diaveridineGB T 33348 2024_Chinese: Voltage sourced converter valves for high voltage direct current power transmission Electrical testing (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 33348 2024