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English versions: GB/T 18414-2025
English versions: GB 20827-2025
English versions: GB/T 11842-2025
4-2024_Chinese: Ships and marine technology - Protective coatings and inspection method - Part 4: Automated measuring method for the total amount of water-soluble salts (Chinese: 船舶与海上技术 保护涂层和检查方法 第4部分：水溶性盐总含量的自动化测量方法)
2-2024_Chinese: Non-destructive testing - Ultrasonic testing block - Part 2: Calibration block No
GB/T 30843.1-2024 Chinese PDF (GB /T30843.1-2024) GB/T 3091-2025 English versions: GB/T 18414-2025GB T 30843. 1 2024_Chinese: Variable frequency drive above 1 kV and not exceeding 35 kV Part 1: Technical conditions (Chinese: 1 kV35 kV 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30843. 1 2024
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