GB/T 43299-2023 Chinese PDF (GB/T43299-2023) GB/T 45577-2025 GB/T 45562-2025_Chinese: Heavy mechanical -

GB/T 45562-2025_Chinese: Heavy mechanical - Design specifications for automation system (Chinese: 重型机械 自动化系统设计规范)

English versions: GB/T 44024-2025

use and maintenance of detectors for flammable gases and oxygen (Chinese: 爆炸性环境用气体探测器 第2部分：可燃气体和氧气探测器的选型、安装、使用和维护)

GB/T 45284

GB/T 43299-2023 Chinese PDF (GB/T43299-2023) GB/T 45577-2025 GB/T 45562-2025_Chinese: Heavy mechanical -GB T 43299 2023_Chinese: Test methods of electrical heating properties for glazing materials used in power driven vehicles (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43299 2023