GB/T 45469-2025 Chinese PDF (GB /T45469-2025) GB/T 45199-2025 English versions: GB/T 15074-2025

English versions: GB/T 15074-2025

English versions: GB/T 20032-2024

GB/T 45314-2025_Chinese: Road vehicles - Performance requirements and test methods for hands free communication and voice interaction (Chinese: 道路车辆 免提通话和语音交互性能要求及试验方法)

GB/T 45490-2025_Chinese: Terminology for green finance (Chinese: 绿色金融术语)

GB/T 45489-2025_Chinese: General technical specification of the track panel for medium and low speed maglev (Chinese: 中低速磁浮交通轨排通用技术条件)

GB/T 45469-2025 Chinese PDF (GB /T45469-2025) GB/T 45199-2025 English versions: GB/T 15074-2025GB 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