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GB/T 45469-2025 Chinese PDF (GB /T45469-2025) GB/T 18978.171-2024 1-2025_Chinese: Railway applications - Fixed
GB/T 45469-2025 Chinese PDF (GB /T45469-2025) GB/T 18978.171-2024 1-2025_Chinese: Railway applications - Fixed
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Description
1-2025_Chinese: Railway applications - Fixed installations - Energy utilization for DC traction power supply - Part 1: Energy storage system (Chinese: 轨道交通 地面装置 直流牵引供电能量利用 第1部分：储存系统)
GB/T 17554
GB/T 45112-2024_Chinese: LTE-based vehicular communication - Technical requirement of security certificate management system (Chinese: 基于LTE的车联网无线通信技术 安全证书管理系统技术要求)
English versions: GB/T 45004-2024
English versions: GB/T 45109
GB/T 45469-2025 Chinese PDF (GB /T45469-2025) GB/T 18978.171-2024 1-2025_Chinese: Railway applications - FixedGB T 45469 2025_Chinese: Microbeam analysis Transmission electron microscopy Preparation methods of ultrathin section of polymer composites (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45469 2025
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