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2-2024_Chinese: Public information guidance systems - Setting principles and requirements - Part 2: Airport (Chinese: 公共信息导向系统 设置原则与要求 第2部分：民用机场)
English versions: GB/T 13522-2024
English versions: GB/T 18757-2025
11-2024_Chinese: Electrical safety in low voltage distribution systems up to 1 000 V AC and 1 500 V DC - Equipment for testing
3-2025_Chinese: Rules for agricultural seed testing - Part 3: Sowing quality - Purity analysis (Chinese: 农作物种子检验规程 第3部分：播种质量 净度分析)
GB/T 43590.506-2025 Chinese PDF (GB /T43590.506-2025) GB/T 27069-2025 2-2024_Chinese: Public information guidance systemsGB T 43590. 506 2025_Chinese: Laser display devices Part 5 6: Measuring methods for optical performance of projection screens (Chinese: 5 6) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43590. 506 2025
