GB/T 25684.15-2023 Chinese PDF (GB/T25684.15-2023) GB 28380-2025 GB/T 26334-2023_Chinese: Fittings for installation

GB/T 26334-2023_Chinese: Fittings for installation of gas meters (Chinese: 燃气表安装配件)

GB/T 45036-2024_Chinese: Inspection of grain and oils - Technical specification for sample information collection (Chinese: 粮油检验 样品信息采集技术规范)

GB/T 2391-2024_Chinese: Reactive dyes - Determination of degree of fixation (Chinese: 反应染料 固色率的测定)

GB/T 23604-2024_Chinese: Method of sampling for mechanical properties testing of titanium and titanium alloy products (Chinese: 钛及钛合金产品力学性能试验取样方法)

4-2024_Chinese: Devices and integration in enterprise systems - Function blocks(FB) for process control and electronic device description language(EDDL) - Part 4: EDD interpretation (Chinese: 企业系统中的设备和集成 过程控制用功能块（FB）和电子设备描述语言（EDDL） 第4部分：EDD互操作)

GB/T 25684.15-2023 Chinese PDF (GB/T25684.15-2023) GB 28380-2025 GB/T 26334-2023_Chinese: Fittings for installationGB T 25684. 15 2023_Chinese: Earth moving machinery Safety Part 15: Requirements for block handler (Chinese: 15) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25684. 15 2023