GB/T 37183-2023 Chinese PDF (GB/T37183-2023) GB/T 21536-2024 8-2025_Chinese: Standardized product ontology register

8-2025_Chinese: Standardized product ontology register and transfer by data parcels - Part 8: Web service interface for data parcels (Chinese: 利用电子表格标准化产品本体的注册和传递 第8部分：数据块的网络服务接口)

1-2023_Chinese: Buried polyethylene(PE) piping systems for the supply of gaseous fuels - Part 1: General (Chinese: 燃气用埋地聚乙烯（PE）管道系统 第1部分：总则)

English versions: GB/T 45288

GB/T 12789

English versions: GB/T 15035-2023

GB/T 37183-2023 Chinese PDF (GB/T37183-2023) GB/T 21536-2024 8-2025_Chinese: Standardized product ontology registerGB T 37183 2023_Chinese: Corrosion control engineering life cycle Risk assessment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 37183 2023