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GB/T 19701
English versions: GB/T 21200-2024
2-2025_Chinese: Petroleum and natural gas industries - Materials for use in H2S-containing environments in oil and gas production - Part 2: Cracking-resistant carbon and low alloy steels
GB/T 18299-2024_Chinese: Automotive LPG steel cylinder multivalve (Chinese: 机动车用液化石油气钢瓶集成阀)
English versions: GB/T 20840
GB/T 15370.2-2025 Chinese PDF (GB /T15370.2-2025) GB 4789.42-2025 GB/T 19701GB T 15370. 2 2025_Chinese: Agricultural tractors General requirement Part 2: 50 kW130 kW wheeled tractors (Chinese: 250 kW130 kW) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 15370. 2 2025
