GB/T 1148-2024 Chinese PDF (GB/T1148-2024) GB 30253-2024 GB/T 13631-2023_Chinese: Criteria for the

GB/T 13631-2023_Chinese: Criteria for the design of the supplementary control room of nuclear power plant (Chinese: 核电厂辅助控制室设计准则)

GB/T 45373-2025_Chinese: Petroleum and liquid petroleum products - Direct measurement of density in tanks - Resonance cylinder densitometer methods (Chinese: 石油和液体石油产品 罐内密度直接测量 谐振筒密度计法)

English versions: GB/T 17821-2025

3-2023_Chinese: Rotary shaft lip-type seals incorporating elastomeric sealing elements - Part 3: Storage

English versions: GB/T 22517

GB/T 1148-2024 Chinese PDF (GB/T1148-2024) GB 30253-2024 GB/T 13631-2023_Chinese: Criteria for theGB T 1148 2024_Chinese: Internal combustion engines Aluminum pistons (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 1148 2024