GB/T 18688-2023 Chinese PDF (GB/T18688-2023)

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GB/T 18688-2023 Chinese PDF (GB/T18688-2023)GB T 18688 2023_Chinese: Agricultural irrigation equipment Pressure losses in irrigation valves Test method (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 18688 2023

English versions: GB/T 4446-2025

1-2024_Chinese: Condition monitoring and diagnostics of machines - Prognostics - Part 1: General guidelines (Chinese: 机器状态监测与诊断预测第1部分：一般指南)

1-2025_Chinese: Norm of water intake for service industry in the Yellow River basin - Part 1: Hotel (Chinese: 黄河流域服务业用水定额第1部分：宾馆)

GB/T 45342-2025_Chinese: Vitreous and porcelain enamels - Inside and outside enamelled valves and pressure pipe fittings for untreated and potable water supply - Requirements and testing (Chinese: 搪瓷制品和瓷釉未处理饮用水供应系统用内外表面搪瓷的阀门和压力管配件要求和试验方法)

English versions: GB/T 6433-2025

English versions: GB 1588-2024

English versions: GBZ42749

GB/T 45037-2024_Chinese: Grain and oil machinery - Grain scraper (Chinese: 粮油机械扒谷机)

English versions: GB/T 45169-2025

1-2024_Chinese: Instruments and software used for measurements in high-voltage and high-current tests - Part 1: Requirements for instruments for impulse tests (Chinese: 高电压和大电流试验测量用仪器和软件第1部分：对冲击试验用仪器的要求)

GB 26134-2024_Chinese: Roof crush resistance of passenger cars (Chinese: 乘用车顶部抗压强度)

GB/T 45309-2025_Chinese: Guidelines for classification and coding of enterprise procurement supplies (Chinese: 企业采购物资分类编码指南)

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