GB/T 15558.5-2023 Chinese PDF (GB/T15558.5-2023) GB/T 45614-2025 English versions: GB/T 45154-2024

English versions: GB/T 45154-2024

English versions: GB/T 45086

English versions: GB/T 25246-2025

42-2025_Chinese: National food safety standard - Food microbiological examination - Examination of Norwalk Viruses (Chinese: 食品安全国家标准 食品微生物学检验 诺如病毒检验)

English versions: GB/T 24129-2025

GB/T 15558.5-2023 Chinese PDF (GB/T15558.5-2023) GB/T 45614-2025 English versions: GB/T 45154-2024GB T 15558. 5 2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels Part 5: Fitness for purpose of the system (Chinese: PE 5) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15558. 5 2023