GB/T 4706.22-2024 Chinese PDF (GB/T4706.22-2024) GB/T 45564-2025 pH and salinization maps at

pH and salinization maps at the scale of 1: 25 000～1: 500 000 (Chinese: 土壤制图 1:25000~1:500000土壤质地、酸碱度、盐渍化图的图式、用色及图例规范)

English versions: GB/T 45523

English versions: GB 4343

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)

GB/T 4706.22-2024 Chinese PDF (GB/T4706.22-2024) GB/T 45564-2025 pH and salinization maps atGB T 4706. 22 2024_Chinese: Safety of household and similar electrical appliances Part 22: Particular requirements for stationary cooking ranges, hobs, ovens and similar appliances (Chinese: 22) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 4706. 22 2024