GB/T 17699.1-2024 Chinese PDF (GB/T17699.1-2024) GB/T 24345-2025 GB/T 45472-2025_Chinese: Prefabricated insulation pipes

GB/T 45472-2025_Chinese: Prefabricated insulation pipes for overhead and utility tunnel (Chinese: 架空和综合管廊用预制保温管道)

GB 45067-2024_Chinese: Criteria for major accident potential of special equipment judgment (Chinese: 特种设备重大事故隐患判定准则)

GB/T 25105

English versions: GBZ15166

English versions: GB 44240-2024

GB/T 17699.1-2024 Chinese PDF (GB/T17699.1-2024) GB/T 24345-2025 GB/T 45472-2025_Chinese: Prefabricated insulation pipesGB T 17699. 1 2024_Chinese: Electronic data interchange for administration, commerce and transport(EDIFACT) Part 1: Data element directory (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 17699. 1 2024