GB/T 22321.1-2025 Chinese PDF (GB /T22321.1-2025) GB 5768.1-2025 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)

1-2025_Chinese: Connections for hydraulic fluid power - Ports with truncated housing and stud ends with metric threads - Part 1: Ports with truncated housing (Chinese: 液压传动连接 普通螺纹斜油口和螺柱端 第1部分：斜油口)

GB/T 26731-2024_Chinese: Treatment and processing of end-of-life tyres (Chinese: 废轮胎加工处理)

GB 15605-2024_Chinese: Specifications for pressure venting of dust explosion (Chinese: 粉尘爆炸泄压规范)

GB/T 22321.1-2025 Chinese PDF (GB /T22321.1-2025) GB 5768.1-2025 3-2025_Chinese: Non-destructive testing - UltrasonicGB T 22321. 1 2025_Chinese: Information technology Chinese coded character set 48 dot matrix font of Chinese ideogram Part 1: Song ti (Chinese: 48 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 22321. 1 2025