GB/T 4340.1-2024 Chinese PDF (GB/T4340.1-2024) GB/T 45258-2025 81-2024_Chinese: Safety of household and

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)

1）第2部分：信息客体规范)

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 45116-2024_Chinese: Critical current measurement - DC critical current of REBCO composite superconductors (Chinese: 临界电流测量 REBCO复合超导体的直流临界电流测量)

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)

GB/T 4340.1-2024 Chinese PDF (GB/T4340.1-2024) GB/T 45258-2025 81-2024_Chinese: Safety of household andGB 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