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English versions: GB/T 44945-2024
English versions: GB/T 15561-2024
GB/T 14600-2025_Chinese: Electronic gas - Nitrous oxide (Chinese: 电子气体 一氧化二氮)
GB/T 24438
English versions: GB/T 7037-2025
GB 12664-2024 Chinese PDF GB/T 45376-2025 English versions: GB/T 44945-2024GB 12664 2024_Chinese: General technical requirements for portable X ray security inspection equipment (Chinese: X) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB 12664 2024
