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English versions: GB/T 45263-2025
GB/T 45486-2025_Chinese: Ships and marine technology - Ballast water management systems (BWMS) - Computational physical modelling and calculations on scaling of UV reactors (Chinese: 船舶与海上技术 压载水管理系统（BWMS） 紫外反应器的比例缩放数值模拟与计算)
4-2025_Chinese: Instruments for stage measurement - Part 4: Ultrasonic stage recorder (Chinese: 水位测量仪器 第4部分：超声波水位计)
English versions: GB/T 30771-2024
GB/T 45407-2025 Chinese PDF (GB /T45407-2025) GB/T 26849-2025 English versions: GB/T 45263-2025GB T 45407 2025_Chinese: Information technology Cyberspace map (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45407 2025
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US$ 134.95
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