GB/T 45331-2025 Chinese PDF (GB /T45331-2025) GB/T 45288.2-2025 9-2024_Chinese: Mechanical vibration - Measurement

9-2024_Chinese: Mechanical vibration - Measurement and evaluation of machine vibration - Part 9: Gear units (Chinese: 机械振动 机器振动的测量和评价 第9部分：齿轮装置)

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)

GB/T 15340-2025_Chinese: Rubber

GB/T 45278

GB/T 45331-2025 Chinese PDF (GB /T45331-2025) GB/T 45288.2-2025 9-2024_Chinese: Mechanical vibration - MeasurementGB T 45331 2025_Chinese: ePTFE membrane for reinforcement of proton exchange membrane (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45331 2025