GB/T 19510.1-2023 Chinese PDF (GB/T19510.1-2023) GB/T 20405.5-2025 English versions: GB/T 18156-2023

English versions: GB/T 18156-2023

English versions: GB/T 28572-2025

GB/T 45301-2025_Chinese: The classification and reference architecture of cloud platform for service robot (Chinese: 服务机器人云平台分类及参考体系结构)

power supply units and combinations thereof - Part 2: Particular requirements and tests for separating transformers and power supply units incorporating separating transformers for general applications (Chinese: 变压器、电抗器、电源装置及其组合的安全 第2部分：一般用途分离变压器和内装分离变压器的电源装置的特殊要求和试验)

GB/T 19510.1-2023 Chinese PDF (GB/T19510.1-2023) GB/T 20405.5-2025 English versions: GB/T 18156-2023GB T 19510. 1 2023_Chinese: [Including 2025XG1] Controlgear for electric light sources Part 1: General and safety requirements (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 19510. 1 2023