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English versions: GB/T 3920-2024
GB/T 20243
302-2025_Chinese: Solar thermal electric plants - Part 3-2: Systems and components - General requirements and test methods for large-size parabolic-trough collectors (Chinese: 太阳能热发电站 第3-2部分：系统与部件 大尺寸抛物面槽式集热器通用要求与测试方法)
241-2025_Chinese: Electricity metering equipment - General requirements
English versions: GB/T 17643-2025
GB/T 45421-2025 Chinese PDF (GB /T45421-2025) GB/T 45157-2024 English versions: GB/T 3920-2024GB T 45421 2025_Chinese: Urban public facilities Intelligent storage lockers of non logistics Service specification (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45421 2025
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