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English versions: GB/T 23454-2025
10-2025_Chinese: Instrument transformers - Part 10: Additional requirements for low-power passive current transformers (Chinese: 互感器 第10部分：低功率无源电流互感器的补充技术要求)
GB/T 20718
English versions: GB/T 13460-2025
English versions: GB/T 22320-2025
GB 23394-2024 Chinese PDF GB/T 12417.1-2024 English versions: GB/T 23454-2025GB 23394 2024_Chinese: Respiratory protection Positive pressure self contained closed circuit compressed oxygen breathing apparatus (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 23394 2024
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US$ 13.90
US$ 16.69
