GB/T 15558.2-2023 Chinese PDF (GB/T15558.2-2023) GB/T 13360-2024 English versions: GB/T 45325-2025

English versions: GB/T 45325-2025

GB/T 14601-2025_Chinese: Electronic specialty gas - Ammonia (Chinese: 电子特气 氨)

GB/T 26361-2025_Chinese: Requirements of facility and service for tourist restaurants (Chinese: 旅游餐馆设施与服务要求)

English versions: GB/T 26879-2025

GB/T 44891-2024_Chinese: Specifications for the data service platform construction of the unified social credit identifier for legal entities and other organizations (Chinese: 法人和其他组织统一社会信用代码数据服务平台建设规范)

GB/T 15558.2-2023 Chinese PDF (GB/T15558.2-2023) GB/T 13360-2024 English versions: GB/T 45325-2025GB T 15558. 2 2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels Part 2: Pipes (Chinese: PE 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15558. 2 2023