GB/T 26794-2023 Chinese PDF (GB/T26794-2023) GB/T 45427-2025 1-2025_Chinese: Copper base brazing filler

1-2025_Chinese: Copper base brazing filler metals - Part 1: Solid brazing filler metals (Chinese: 铜基钎料 第1部分：实心钎料)

GB/T 27636-2023_Chinese: Technical specification for the processing of frozen tilapia fillets (Chinese: 冻罗非鱼片加工技术规范)

GB/T 45159

GB/T 45020-2024_Chinese: Methods for chemical analysis of niobium hafnium alloys - Determination of trace impurity elements content - Inductively coupled plasma mass spectrometry (Chinese: 铌铪合金化学分析方法 痕量杂质元素的测定 电感耦合等离子体质谱法)

301-2024_Chinese: Energy management system application program interface (EMS-API) - Part 301: Common information model (CIM) base (Chinese: 能量管理系统应用程序接口（EMS-API） 第301部分：公共信息模型（CIM）基础)

GB/T 26794-2023 Chinese PDF (GB/T26794-2023) GB/T 45427-2025 1-2025_Chinese: Copper base brazing fillerGB T 26794 2023_Chinese: Counters for gas meters (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 26794 2023