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GB 31616-2025_Chinese: National food safety standard - Hygienic code for processing edible livestock and poultry by-products (Chinese: 食品安全国家标准 食用畜禽副产品加工卫生规范)
1-2025_Chinese: Testing and calculating methods for seasonal performance factor of energy recovery ventilators for outdoor air handling - Part 1: Seasonal performance factor of sensible heating recovery (Chinese: 热回收新风机组季节性能系数测试和计算方法 第1部分：供热显热回收季节性能系数)
English versions: GB/T 45169-2025
GB/T 44965-2024_Chinese: Determination of β-apo-8′-carotenoic acid ethyl ester in feeds - High performance liquid chromatography (Chinese: 饲料中β-阿朴-8′-胡萝卜素酸乙酯的测定 高效液相色谱法)
English versions: GB/T 45099-2024
GB/T 19520.21-2023 Chinese PDF (GB/T19520.21-2023) GB/T 26846-2024 GB 31616-2025_Chinese: National food safetyGB T 19520. 21 2023_Chinese: Mechanical structures for electrical and electronic equipment Dimensions of mechanical structures of the 482. 6 mm (19 in) series Part 3 109: Dimensions of chassis for embedded computing devices (Chinese: 482. 6 mm(19 in) 3 109) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19520. 21 2023
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