GB/T 27995.1-2025 Chinese PDF (GB /T27995.1-2025) GB/T 16702.5-2025 GB 17761-2024_Chinese: Safety technical specification

GB 17761-2024_Chinese: Safety technical specification for electric bicycle (Chinese: 电动自行车安全技术规范)

1-2024_Chinese: Mechanical structures for electrical and electronic equipment - Outdoor enclosures - Part 1: Design guidelines (Chinese: 电气和电子设备机械结构 户外机壳 第1部分：设计导则)

English versions: GB 19053-2024

GB/T 17821-2025_Chinese: Rubber latex - Determination of density between 5 ℃ and 40 ℃ (Chinese: 胶乳 5℃至40℃密度的测定)

English versions: GB/T 29772-2024

GB/T 27995.1-2025 Chinese PDF (GB /T27995.1-2025) GB/T 16702.5-2025 GB 17761-2024_Chinese: Safety technical specificationGB T 27995. 1 2025_Chinese: Semi finished spectacle lens blanks Part 1: Single vision and multifocal (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 27995. 1 2025