GB/T 3939.1-2023 Chinese PDF (GB/T3939.1-2023) GB/T 17530.2-2023 19-2025_Chinese: Methods for chemical analysis

19-2025_Chinese: Methods for chemical analysis of tungsten concentrates - Part 19: Determination of fluoride content - Ion selective electrode method (Chinese: 钨精矿化学分析方法 第19部分：氟含量的测定 离子选择电极法)

GB/T 44979-2024_Chinese: Smart community infrastructures - Smart transportation for compact cities (Chinese: 智慧城市基础设施 紧凑型城市智慧交通)

24-2024_Chinese: Requirements of the greenhouse gas emissions accounting and reporting - Part 24: Electronics manufacturing enterprise (Chinese: 温室气体排放核算与报告要求 第24部分：电子设备制造企业)

GB/T 10810

GB/T 3939.1-2023 Chinese PDF (GB/T3939.1-2023) GB/T 17530.2-2023 19-2025_Chinese: Methods for chemical analysisGB T 3939. 1 2023_Chinese: Nomenclature and signs of main fishing gear material Part 1: Netting twine (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 3939. 1 2023