GB/T 5169.12-2024 Chinese PDF (GB/T5169.12-2024) GB/T 45107-2024 7-2024_Chinese: Power transformers - Part

7-2024_Chinese: Power transformers - Part 7: Loading guide for mineral-oil-immersed power transformers (Chinese: 电力变压器 第7部分：油浸式电力变压器负载导则)

English versions: GB/T 34425-2023

English versions: GB/T 20186

GB/T 45356-2025_Chinese: Polypropylene(PP) piping systems for non-pressure buried drainage and sewerage (Chinese: 无压埋地排污、排水用聚丙烯（PP）管道系统)

English versions: GB 3836

GB/T 5169.12-2024 Chinese PDF (GB/T5169.12-2024) GB/T 45107-2024 7-2024_Chinese: Power transformers - PartGB T 5169. 12 2024_Chinese: Fire hazard testing for electric and electronic products Part 12: Glowing hot wire based test methods Glow wire flammability index (GWFI) test method for materials (Chinese: 12 GWFI) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5169. 12 2024