GB/T 12940-2023 Chinese PDF (GB/T12940-2023) GB/T 9981-2025 English versions: GB/T 45608-2025

English versions: GB/T 45608-2025

GB 20052-2024_Chinese: Minimum allowable values of energy efficiency and the energy efficiency grades for power transformers (Chinese: 电力变压器能效限定值及能效等级)

English versions: GB/T 45004-2024

16-2025_Chinese: Information technology - Extensible biometric data interchange formats - Part 16: Full body image data (Chinese: 信息技术 可扩展的生物特征识别数据交换格式 第16部分:全身图像数据)

English versions: GB/T 144-2024

GB/T 12940-2023 Chinese PDF (GB/T12940-2023) GB/T 9981-2025 English versions: GB/T 45608-2025GB T 12940 2023_Chinese: Technical specification for silver graphite electrical contacts (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 12940 2023