GB/T 20931.12-2025 Chinese PDF (GB /T20931.12-2025) GB 39800.8-2024 GB 45671-2025_Chinese: Safety technical specifications

GB 45671-2025_Chinese: Safety technical specifications for construction waterproof coatings (Chinese: 建筑防水涂料安全技术规范)

GB/T 23694-2024_Chinese: Risk management - Vocabulary (Chinese: 风险管理 术语)

English versions: GB 28263-2024

GB 20943-2025_Chinese: Minimum allowable values of energy efficiency and energy efficiency grades for AC-DC and AC-AC power supplies (Chinese: 交流-直流和交流-交流电源能效限定值及能效等级)

English versions: GB/T 12690

GB/T 20931.12-2025 Chinese PDF (GB /T20931.12-2025) GB 39800.8-2024 GB 45671-2025_Chinese: Safety technical specificationsGB T 20931. 12 2025_Chinese: Methods for chemical analysis of lithium Part 12: Determination of impurity element contents Inductively coupled plasma atomic emission spectrometry (Chinese: 12 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 20931. 12 2025