GB/T 5686.5-2023 Chinese PDF (GB/T5686.5-2023) GB 45187-2024 GB/T 45456-2025_Chinese: Packaging - Determination

GB/T 45456-2025_Chinese: Packaging - Determination of crease stiffness for folding cartons (Chinese: 包装 折叠纸盒折痕挺度的测定)

1-2025_Chinese: Technical specification of energy absorption device for high voltage direct current(HVDC) power transmission - Part 1: DC controllable and self-recovery energy absorption device (Chinese: 高压直流输电用消能装置技术规范 第1部分：直流可控自恢复消能装置)

GB/T 14308-2023_Chinese: Classification and accreditation for star-rated tourist hotels (Chinese: 旅游饭店星级的划分与评定)

21-2025_Chinese: Test method for noise of household and similar electrical appliances - Part 21: Particular requirements for oral hygiene appliances (Chinese: 家用和类似用途电器噪声测试方法 第21部分：口腔卫生器具的特殊要求)

English versions: GB/T 36621-2025

GB/T 5686.5-2023 Chinese PDF (GB/T5686.5-2023) GB 45187-2024 GB/T 45456-2025_Chinese: Packaging - DeterminationGB T 5686. 5 2023_Chinese: Ferromanganese, ferromanganese silicon, nitrogen bearing ferromanganese and manganese metal Determination of carbon content The Infrared absorption method, the gasometric method, the gravimetric method and the coulometric method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 5686. 5 2023