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14-2025_Chinese: Safety of transformers
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)
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 17145-2024_Chinese: Guidelines for recycling of used mineral oil (Chinese: 废矿物油回收与再生利用导则)
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/T 13511.4-2025 Chinese PDF (GB /T13511.4-2025) GB 5009.31-2025 14-2025_Chinese: Safety of transformersGB 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
US$ 275.00
US$ 35.00
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