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English versions: GB/T 21099
English versions: GB/T 44914-2024
GB/T 45355-2025_Chinese: Polyethylene(PE) piping systems for non-pressure buried drainage and sewerage (Chinese: 无压埋地排污、排水用聚乙烯（PE）管道系统)
1-2024_Chinese: Electromagnetic compatibility requirements for household appliances
GB 21344-2023 Chinese PDF GB/T 33993-2024 English versions: GB/T 21099GB 21344 2023_Chinese: Norm of energy consumption per unit production of fertilizer industry (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 21344 2023
US$ 184.50
US$ 89.00
US$ 89.00
US$ 199.00
