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English versions: GB/T 20001
English versions: GB/T 44991-2025
English versions: GB 44702-2024
GB/T 19960-2024_Chinese: Wind energy generation systems - General technical specification and test method of wind turbines (Chinese: 风能发电系统 风力发电机组通用技术条件和试验方法)
4-2023_Chinese: Agricultural irrigation equipment - Filters for micro irrigation - Part 4: Granulated media filters (Chinese: 农业灌溉设备 微灌用过滤器 第4部分：颗粒介质过滤器)
GB/T 623-2024 Chinese PDF (GB/T623-2024) GB/T 37947.4-2024 English versions: GB/T 20001GB T 623 2024_Chinese: Chemical reagent Perchloric acid (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 623 2024
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