GB/T 23020-2023 Chinese PDF (GB/T23020-2023) GB 14102.3-2024 3-2024_Chinese: Connections for hydraulic fluid

3-2024_Chinese: Connections for hydraulic fluid power - Metallic tube connections - Part 3: Face seal (Chinese: 液压传动连接 金属管接头 第3部分:端面密封)

English versions: GB/T 19042

GB/T 23229-2023_Chinese: Methods for analysis of waterborne wood preservatives (Chinese: 水载型木材防腐剂的分析方法)

English versions: GB/T 21220-2024

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 23020-2023 Chinese PDF (GB/T23020-2023) GB 14102.3-2024 3-2024_Chinese: Connections for hydraulic fluidGB T 23020 2023_Chinese: Assessment specification on integration of informatization and industrialization for industrial enterprises (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 23020 2023