GB/T 7256.2-2023 Chinese PDF (GB/T7256.2-2023) GB/T 9065.2-2025 1-2024_Chinese: Photobiological safety of non-coherent

1-2024_Chinese: Photobiological safety of non-coherent light products - Part 1: General requirements (Chinese: 非相干光产品的光生物安全 第1部分：通用要求)

GB 11555-2025_Chinese: Technical specification for demisting and defrosting systems of motor vehicles-windshield (Chinese: 汽车风窗玻璃除霜和除雾系统技术规范)

11-2023_Chinese: Methods for chemical analysis of tin - Part 11: Determination of copper

English versions: GB/T 26378-2024

GB/T 7256.2-2023 Chinese PDF (GB/T7256.2-2023) GB/T 9065.2-2025 1-2024_Chinese: Photobiological safety of non-coherentGB T 7256. 2 2023_Chinese: Lighting fixtures for civil airport Part 2: Sequence flashing light and runway threshold identification light (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7256. 2 2023