GB/T 13077-2024 Chinese PDF (GB/T13077-2024) GB/T 32151.40-2025 17-2023_Chinese: Internal combustion engines -

17-2023_Chinese: Internal combustion engines - Piston rings - Part 17: Coil-spring-loaded oil control rings made of steel (Chinese: 内燃机 活塞环 第17部分：钢质螺旋撑簧油环)

7-2024_Chinese: Low voltage fuses - Part 7: Supplementary requirements for fuse-links for the protection of batteries and battery systems (Chinese: 低压熔断器 第7部分：电池和电池系统保护用熔断体的补充要求)

English versions: GB/T 29865-2024

English versions: GB/T 45183-2025

GB/T 31902-2025_Chinese: Inspection method for appearance defects on garment interlining (Chinese: 服装衬布外观疵点检验方法)

GB/T 13077-2024 Chinese PDF (GB/T13077-2024) GB/T 32151.40-2025 17-2023_Chinese: Internal combustion engines -GB T 13077 2024_Chinese: Periodic inspection and evaluation of seamless aluminum alloy gas cylinders (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13077 2024