GB/T 13777-2024 Chinese PDF (GB/T13777-2024) GB/T 45218-2025 1-2025_Chinese: Quality requirements for organic

1-2025_Chinese: Quality requirements for organic acids - Part 1: Citric acid (Chinese: 有机酸质量要求 第1部分：柠檬酸)

6-2025_Chinese: Methods for chemical analysis of lead concentrates - Part 6: Determination of bismuth content (Chinese: 铅精矿化学分析方法 第6部分：铋含量的测定)

1-2024_Chinese: Switches for household and similar fixed electrical installations - Part 1: General requirements (Chinese: 家用和类似用途固定式电气装置的开关 第1部分：通用要求)

GB/T 18109-2024_Chinese: Frozen finfish (Chinese: 冻鱼)

GB/T 45446-2025_Chinese: Interface specification for signal in space of BeiDou navigation satellite system precise point positioning service (Chinese: 北斗卫星导航系统精密单点定位服务空间信号接口规范)

GB/T 13777-2024 Chinese PDF (GB/T13777-2024) GB/T 45218-2025 1-2025_Chinese: Quality requirements for organicGB T 13777 2024_Chinese: Test method for maturity of cotton fibers Microscopic 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 13777 2024