GB/T 4340.1-2024 Chinese PDF (GB/T4340.1-2024) GB/T 45258-2025 GB/T 45254-2025_Chinese: Data interface of

GB/T 45254-2025_Chinese: Data interface of futures market account (Chinese: 期货市场客户开户数据接口)

201-2023_Chinese: Organic light emitting diode(OLED)light sources for general lighting - Safety - Part 2-1: Particular requirements - Semi-integrated OLED modules (Chinese: 普通照明用有机发光二极管（OLED）光源 安全 第2-1部分：特殊要求 半集成式OLED模块)

English versions: GB/T 44950-2024

GB/T 45493-2025_Chinese: Requirements of implementation of motor vehicle products recall based on over-the-air update technology (Chinese: 基于远程升级技术的汽车产品召回实施要求)

raw natural and raw synthetic - Sampling and further preparative procedures (Chinese: 天然、合成生胶 取样及其制样方法)

GB/T 4340.1-2024 Chinese PDF (GB/T4340.1-2024) GB/T 45258-2025 GB/T 45254-2025_Chinese: Data interface ofGB T 4340. 1 2024_Chinese: Metallic materials Vickers hardness test Part 1: Test method (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 4340. 1 2024