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English versions: GB/T 14020-2024
1-2025_Chinese: Traffic signs and markings - Part 1: General (Chinese: 道路交通标志和标线 第1部分：总则)
GB/T 44969-2024_Chinese: Metal ions removal in water soluble extracts of agricultural products - Ion exchange method (Chinese: 农产品水溶性提取物中金属离子消除方法 离子交换法)
English versions: GB/T 45605-2025
GB/T 44880-2024_Chinese: Cause and effect matrix (Chinese: 因果矩阵)
GB/T 12538-2023 Chinese PDF (GB/T12538-2023) GB/T 22452-2025 English versions: GB/T 14020-2024GB T 12538 2023_Chinese: Road vehicles Determination of centre of gravity (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12538 2023
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