GB/T 45331-2025 Chinese PDF (GB /T45331-2025) GB/T 45288.2-2025 GB/T 45342-2025_Chinese: Vitreous and porcelain

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 44920-2024

GB/T 15340-2025_Chinese: Rubber

GB/T 36217-2025_Chinese: Ships and marine technology - Ship's mooring and towing fittings - Universal fairleads with upper roller (Chinese: 船舶与海上技术 船舶系泊和拖带设备 带上滚柱导缆器)

English versions: GB/T 44995-2024

GB/T 45331-2025 Chinese PDF (GB /T45331-2025) GB/T 45288.2-2025 GB/T 45342-2025_Chinese: Vitreous and porcelainGB 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