GB/T 30425-2025 Chinese PDF (GB /T30425-2025) GB/T 21536-2024 English versions: GB/T 12690

English versions: GB/T 12690

5-2024_Chinese: Implants for surgery - Ultra-high-molecular-weight polyethylene - Part 5: Morphology assessment method (Chinese: 外科植入物 超高分子量聚乙烯 第5部分：形态评价方法)

8-2025_Chinese: Test methods of rare earth phosphors for LED - Part 8: Determination of pressure cooker test property (Chinese: LED用稀土荧光粉试验方法 第8部分：高压加速老化性能的测定)

English versions: GB/T 38205

English versions: GB/T 20965-2025

GB/T 30425-2025 Chinese PDF (GB /T30425-2025) GB/T 21536-2024 English versions: GB/T 12690GB T 30425 2025_Chinese: Water cooling equipment for converter valves for high voltage direct current(HVDC) ower transmission (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30425 2025