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English versions: GB/T 11420-2024
4-2024_Chinese: Polyethylene of raised temperature resistance(PE-RT) piping systems for hot and cold water installations - Part 4: Valves (Chinese: 冷热水用耐热聚乙烯（PE-RT）管道系统 第4部分：阀门)
2-2024_Chinese: Safety of intelligent consumer product - Part 2: Risk assessment (Chinese: 智能消费品安全 第2部分：风险评估)
2-2024_Chinese: Safety of laser products - Part 2: Safety of optical fibre communication systems (OFCSs) (Chinese: 激光产品的安全 第2部分：光纤通信系统（OFCS）的安全)
English versions: GB/T 26527-2024
GB/T 7939.2-2024 Chinese PDF (GB/T7939.2-2024) GB 40559-2024 English versions: GB/T 11420-2024GB T 7939. 2 2024_Chinese: Connections for hydraulic fluid power Test methods Part 2: Quick action couplings (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 7939. 2 2024
