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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)
English versions: GB/T 15074-2025
11-2025_Chinese: Instrument transformers - Part 11: Additional requirements for low-power passive voltage transformers (Chinese: 互感器 第11部分：低功率无源电压互感器的补充技术要求)
GB 23394-2024_Chinese: Respiratory protection - Positive pressure self-contained closed-circuit compressed oxygen breathing apparatus (Chinese: 呼吸防护 正压式自给闭路压缩氧气呼吸器)
GB 21342-2025_Chinese: Norm of energy consumption per unit production of coke (Chinese: 焦炭单位产品能源消耗限额)
GB/T 13511.4-2025 Chinese PDF (GB /T13511.4-2025) GB 5009.31-2025 10-2025_Chinese: Instrument transformers - PartGB T 13511. 4 2025_Chinese: Assembled spectacles Part 4: Multifocal and power variation near vision spectacles (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13511. 4 2025
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US$ 3202.00
US$ 174.95
