GB/T 45471-2025 Chinese PDF (GB /T45471-2025) GB/T 45321-2025 English versions: GB/T 45308-2025

English versions: GB/T 45308-2025

English versions: GB/T 17925-2024

4-2024_Chinese: Integrated circuits - Measurement of electromagnetic immunity - Part 4: Direct RF power injection method (Chinese: 集成电路 电磁抗扰度测量 第4部分：射频功率直接注入法)

English versions: GB/T 45175-2024

GB/T 45471-2025 Chinese PDF (GB /T45471-2025) GB/T 45321-2025 English versions: GB/T 45308-2025GB T 45471 2025_Chinese: Test method for mode III interlaminar fracture toughness of carbon fiber reinforced composite materials Edge crack torsion method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45471 2025