GB/T 2820.7-2024 Chinese PDF (GB/T2820.7-2024) GB/T 31901-2024

GB/T 2820.7-2024 Chinese PDF (GB/T2820.7-2024) GB/T 31901-2024GB T 2820. 7 2024_Chinese: Reciprocating internal combustion engine driven alternating current generating sets Part 7: Technical declarations for specification and design (Chinese: 7) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 2820. 7 2024

GB/T 45491-2025_Chinese: Brand valuation - Senior care services industry (Chinese: 品牌价值评价 养老服务业)

English versions: GB/T 15688-2024

GB/T 45108-2024_Chinese: Recycling materials for platinum group metals (Chinese: 再生铂族金属原料)

GB 43854-2024_Chinese: Safety technical specification of lithium-ion battery for electric bicycle (Chinese: 电动自行车用锂离子蓄电池安全技术规范)

GB/T 45131-2025_Chinese: Analysis of water used in boiler and cooling system - Determination of phosphate

GB/T 45506-2025_Chinese: Residual resistance ratio measurement - Residual resistance ratio of cavity-grade Nb superconductors (Chinese: 剩余电阻比测量 谐振腔级铌超导体剩余电阻比测量)

English versions: GB/T 45199-2025

English versions: GB/T 45604-2025

2-2025_Chinese: Information technology - Building information model(BIM) software - Part 2: Parameterized model (Chinese: 信息技术 建筑信息模型（BIM）软件 第2部分：参数化模型)

GB/T 5844-2025_Chinese: Tyre coupling (Chinese: 轮胎式联轴器)

English versions: GB 44023-2024

42-2025_Chinese: National food safety standard - Determination of salt index (Chinese: 食品安全国家标准 食用盐指标的测定)