GB/T 4340.1-2024 Chinese PDF (GB/T4340.1-2024) GB/T 45258-2025 English versions: GB/T 27534

English versions: GB/T 27534

GB/T 45325-2025_Chinese: Determination of length of heat affected zone for precious metal bonding wire - Scanning electron microscope method (Chinese: 贵金属键合丝热影响区长度测定 扫描电镜法)

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)

Delivery (PDF in Chinese): 2 working-hours typically

81-2024_Chinese: Safety of household and similar electrical appliances - Part 81: Particular requirements for vaporizers (Chinese: 家用和类似用途电器的安全 第81部分：挥发器的特殊要求)

GB/T 4340.1-2024 Chinese PDF (GB/T4340.1-2024) GB/T 45258-2025 English versions: GB/T 27534GB 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