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English versions: GB/T 18936-2025
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 43982
English versions: GB 25502-2024
GB 25972-2024 Chinese PDF GB/T 45523.4-2025 English versions: GB/T 18936-2025GB 25972 2024_Chinese: Gas fire extinguishing systems and components (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 25972 2024
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