GB/T 42404-2023 Chinese PDF (GB/T42404-2023) GB/T 19514-2024 English versions: GB/T 6147-2025

English versions: GB/T 6147-2025

English versions: GB/T 45099-2024

GB/T 45649-2025_Chinese: Technical guidelines for the application of coaxial turbine units in metallurgical waste heat and pressure energy recovery (Chinese: 冶金余热余压能量回收同轴机组应用技术指南)

English versions: GB/T 45448-2025

GB/T 45101-2024_Chinese: Diagnostic techniques for animal anthrax (Chinese: 动物炭疽诊断技术)

GB/T 42404-2023 Chinese PDF (GB/T42404-2023) GB/T 19514-2024 English versions: GB/T 6147-2025GB T 42404 2023_Chinese: Information technology Telecommunications and information exchange between systems Local and metropolitan area networks Timing and synchronization for time sensitive applications in bridged local area networks (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 42404 2023