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GB/T 21294-2024 Chinese PDF (GB/T21294-2024) GB/T 17215.686-2024 English versions: GB/T 45131-2025

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English versions: GB/T 45131-2025

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)

GB/T 45451

GB/T 27621-2024_Chinese: Diagnostic techniques for equine rhinopneumonitis (Chinese: 马鼻肺炎诊断技术)

GB/T 45362-2025_Chinese: Textiles - Determination of thermal effusivity of fabrics - Modified transient plane source method (Chinese: 纺织品 织物蓄热系数的测定 改型平面瞬态热源法)

GB/T 21294-2024 Chinese PDF (GB/T21294-2024) GB/T 17215.686-2024 English versions: GB/T 45131-2025GB T 21294 2024_Chinese: Testing methods of physical and chemical performance of garments (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 21294 2024

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