GB/T 19799.3-2025 Chinese PDF (GB /T19799.3-2025)GB T 19799. 3 2025_Chinese: Non destructive testing Ultrasonic testing block Part 3: Calibration block for curved surface (Chinese: 3) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 19799. 3 2025
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GB/T 19799.3-2025_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) Note/Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working-hours typically, ASAP English versions: GB/T 19799.3-2025