GB/T 40565.1-2024 Chinese PDF (GB/T40565.1-2024) GB/T 45439-2025 English versions: GB/T 45500-2025

English versions: GB/T 45500-2025

3-2025_Chinese: Metallic materials - Vickers hardness test - Part 3: Calibration of reference blocks (Chinese: 金属材料 维氏硬度试验 第3部分：标准硬度块的标定)

GB/T 45284

English versions: GB/T 45111-2024

203-2023_Chinese: Organic light emitting diode(OLED)light sources for general lighting - Safety - Part 2-3: Particular requirements - Flexible OLED tiles and panels (Chinese: 普通照明用有机发光二极管（OLED）光源 安全 第2-3部分: 特殊要求 柔性OLED光片和面板)

GB/T 40565.1-2024 Chinese PDF (GB/T40565.1-2024) GB/T 45439-2025 English versions: GB/T 45500-2025GB T 40565. 1 2024_Chinese: Connections for hydraulic fluid power Quick action couplings Part 1: General type (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 40565. 1 2024