GB/T 30757-2024 Chinese PDF (GB/T30757-2024) GB/T 44909-2024 352-2022_Chinese: Components for low-voltage surge

352-2022_Chinese: Components for low-voltage surge protection - Part 352: Selection and application principles for telecommunications and signalling network surge isolation transformers (SITs) (Chinese: 低压电涌保护器元件 第352部分：电信和信号网络的电涌隔离变压器(SIT)的选择和使用导则)

English versions: GB/T 45387-2025

16-2023_Chinese: Requirements of the carbon emissions accounting and reporting - Part 16: Oil and gas production enterprise (Chinese: 碳排放核算与报告要求 第16部分：石油天然气生产企业)

6-2024_Chinese: Proton exchange membrane fuel cell - Part 6: Test method of bipolar plate properties (Chinese: 质子交换膜燃料电池 第6部分：双极板特性测试方法)

1-2024_Chinese: Non-active surgical implants - Osteosynthesis and joint replacement implants - Part 1: Particular requirements for osteosynthesis implants (Chinese: 无源外科植入物 骨接合与关节置换植入器械 第1部分：骨接合植入器械特殊要求)

GB/T 30757-2024 Chinese PDF (GB/T30757-2024) GB/T 44909-2024 352-2022_Chinese: Components for low-voltage surgeGB T 30757 2024_Chinese: Classification of basic dense shaped refractory products containing from 7% to 50% carbon (Chinese: 7%50%) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30757 2024