GB/T 13077-2024 Chinese PDF (GB/T13077-2024) GB/T 32151.40-2025 GB/T 45515-2025_Chinese: Quality grading of

GB/T 45515-2025_Chinese: Quality grading of consumer products - Lighting products (Chinese: 消费品质量分级 照明产品)

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)

English versions: GB/T 29865-2024

2-2025_Chinese: Agricultural tractors - General requirement - Part 2: 50 kW～130 kW wheeled tractors (Chinese: 农业拖拉机 通用技术条件 第2部分：50 kW～130 kW轮式拖拉机)

GB/T 13077-2024 Chinese PDF (GB/T13077-2024) GB/T 32151.40-2025 GB/T 45515-2025_Chinese: Quality grading ofGB 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