GB/T 45016-2024 Chinese PDF (GB /T45016-2024) GB 5009.31-2025 English versions: GB/T 24823-2024

English versions: GB/T 24823-2024

4-2024_Chinese: Optics and photonics - Microlens arrays - Part 4: Test methods for geometrical properties (Chinese: 光学和光子学 微透镜阵列 第4部分：几何特性测试方法)

English versions: GB/T 44998-2024

GB/T 21666-2025_Chinese: Absorbent incontinence aids for urine and/or faeces - General guidelines on evaluation (Chinese: 失禁用尿便吸收辅助器具 评价的一般指南)

GB 45672-2025_Chinese: On-board accident emergency call system (Chinese: 车载事故紧急呼叫系统)

GB/T 45016-2024 Chinese PDF (GB /T45016-2024) GB 5009.31-2025 English versions: GB/T 24823-2024GB T 45016 2024_Chinese: Test methods for mechanical automatic tensioner of accessory belt drive system of engine (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45016 2024