GB/T 25223-2024 Chinese PDF (GB/T25223-2024) GB/T 27647-2024 GB/T 35319-2025_Chinese: Internet of things

GB/T 35319-2025_Chinese: Internet of things - System interface requirements (Chinese: 物联网 系统接口要求)

GB/T 21267-2024_Chinese: Petroleum and natural gas industries - Procedures for testing casing and tubing connections (Chinese: 石油天然气工业 套管及油管螺纹连接试验程序)

15-2024_Chinese: Safety of household and similar electrical appliances - Part 15: Particular requirements for appliances for skin or hair care (Chinese: 家用和类似用途电器的安全 第15部分：皮肤及毛发护理器具的特殊要求)

GB/T 18978

English versions: GB/T 21372-2024

GB/T 25223-2024 Chinese PDF (GB/T25223-2024) GB/T 27647-2024 GB/T 35319-2025_Chinese: Internet of thingsGB T 25223 2024_Chinese: Animal and vegetable fats and oils Determination of composition of sterols and total sterols contents Gas chromatographic 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 25223 2024