GB/T 18376.2-2024 Chinese PDF (GB /T18376.2-2024) GB/T 14124-2024 TN and IT systems (Chinese:

TN and IT systems (Chinese: 交流1000V和直流1500V及以下低压配电系统电气安全 防护措施的试验、测量或监控设备 第11部分：TT、TN和IT系统中剩余电流监视器（RCM）的有效性)

GB/T 16263

2-2025_Chinese: Uncut finished spectacle lenses - Part 2: Power-variation (Chinese: 眼镜镜片 第2部分：渐变焦)

GB/T 18760-2025_Chinese: Methods and requirements for after-sales service of consumer products (Chinese: 消费品售后服务方法与要求)

GB/T 18964

GB/T 18376.2-2024 Chinese PDF (GB /T18376.2-2024) GB/T 14124-2024 TN and IT systems (Chinese:GB T 18376. 2 2024_Chinese: Grades of cemented carbide Part 2: Grades of cemented carbide for rock drilling and engineering (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18376. 2 2024