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English versions: GB/T 45548-2025
4-2025_Chinese: Acoustics - Laboratory measurement of sound insulation of building elements - Part 4: Measurement procedures and requirements (Chinese: 声学 建筑构件隔声的实验室测量 第4部分：测量程序和要求)
GB/T 44890-2024_Chinese: Specification for administrative license (Chinese: 行政许可工作规范)
English versions: GB/T 12008
mildew preventives and acidity regulators - Propionic acid (Chinese: 饲料添加剂 第8部分：防腐剂、防霉剂和酸度调节剂 丙酸)
GB/T 223.60-2024 Chinese PDF (GB/T223.60-2024) GB/T 16262.2-2025 English versions: GB/T 45548-2025GB T 223. 60 2024_Chinese: Iron, steel and alloy Determination of silicon content Gravimetric 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 223. 60 2024
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