GB/T 43300-2023 Chinese PDF (GB/T43300-2023) GB/T 39414.5-2024 GB/T 12385-2025_Chinese: Standard test methods

GB/T 12385-2025_Chinese: Standard test methods for sealability of gaskets for pipe flanges (Chinese: 管法兰用垫片密封性能试验方法)

disjointment and mechanical sample preparation (Chinese: 电子电气产品中某些物质的测定 第2部分：拆解、拆分和机械制样)

GB/T 45256-2025_Chinese: Press and publication - Knowledge service - Construction process of knowledge ontology (Chinese: 新闻出版 知识服务 知识本体构建流程)

English versions: GB/T 4543-2023

GB/T 43300-2023 Chinese PDF (GB/T43300-2023) GB/T 39414.5-2024 GB/T 12385-2025_Chinese: Standard test methodsGB T 43300 2023_Chinese: Ceramic flat membrane Test method for pure water flux (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 43300 2023