GB/T 27534.4-2025 Chinese PDF (GB /T27534.4-2025) GB/T 18414-2025 31-2025_Chinese: National food safety standard

31-2025_Chinese: National food safety standard - Food contact materials and products - Determination of residual and migration of vinyl chloride

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)

English versions: GB/T 19713-2025

GB 19081-2025_Chinese: Safety specification for dust explosion prevention in feed processing system (Chinese: 饲料加工系统粉尘防爆安全规范)

GB/T 20850-2025_Chinese: Safety of machinery - Guidelines for the application of machinery safety standards (Chinese: 机械安全 机械安全标准应用指南)

GB/T 27534.4-2025 Chinese PDF (GB /T27534.4-2025) GB/T 18414-2025 31-2025_Chinese: National food safety standardGB T 27534. 4 2025_Chinese: Technical specification for animal genetic resource survey Part 4: Sheep (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27534. 4 2025