GB/T 45243-2025 Chinese PDF (GB /T45243-2025) GB/T 45016-2024 English versions: GB/T 45008-2024

English versions: GB/T 45008-2024

English versions: GB/T 15969

GB/T 41771

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)

power supply units and combinations thereof - Part 5: Particular requirements and tests for isolating transformers and power supply units incorporating isolating transformers for general applications (Chinese: 变压器、电抗器、电源装置及其组合的安全 第5部分：一般用途隔离变压器和内装隔离变压器的电源装置的特殊要求和试验)

GB/T 45243-2025 Chinese PDF (GB /T45243-2025) GB/T 45016-2024 English versions: GB/T 45008-2024GB T 45243 2025_Chinese: Determination of thiamine, riboflavin, pyridoxine, niacin, niacinamide and caffeine in health foods (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45243 2025