GB/T 4365-2024 Chinese PDF (GB /T4365-2024) GB/T 32151.35-2025 3-2025_Chinese: Non-destructive testing - Ultrasonic

3-2025_Chinese: Non-destructive testing - Ultrasonic testing block - Part 3: Calibration block for curved surface (Chinese: 无损检测 超声检测试块 第3部分：曲面检测标准试块)

English versions: GB/T 18892-2024

English versions: GB/T 29456-2025

GB/T 42968

1-2025_Chinese: Test methods of rare earth phosphors for LED - Part 1: Determination of spectrum (Chinese: LED用稀土荧光粉试验方法 第1部分：光谱的测定)

GB/T 4365-2024 Chinese PDF (GB /T4365-2024) GB/T 32151.35-2025 3-2025_Chinese: Non-destructive testing - UltrasonicGB T 4365 2024_Chinese: Electrotechnical terminology Electromagnetic compatibility (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4365 2024