GB/T 45390-2025 Chinese PDF (GB /T45390-2025) GB/T 45272-2025 English versions: GB/T 45057-2024

English versions: GB/T 45057-2024

English versions: GB/T 19799

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

3-2025_Chinese: Information technology - Abstract Syntax Notation One (ASN

GB/T 4167-2024_Chinese: Weights (Chinese: 砝码)

GB/T 45390-2025 Chinese PDF (GB /T45390-2025) GB/T 45272-2025 English versions: GB/T 45057-2024GB T 45390 2025_Chinese: Communication interface requirements for power lithium battery production equipment (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45390 2025