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GB/T 20243
GB/T 22723-2024_Chinese: Natural gas - Energy determination (Chinese: 天然气 能量的测定)
English versions: GB/T 1232
English versions: GB/T 10433-2024
English versions: GB/T 534-2024
GB/T 30553-2023 Chinese PDF (GB/T30553-2023) GB 20052-2024 GB/T 20243GB T 30553 2023_Chinese: High voltage direct current (HVDC) power transmission using voltage sourced converters (VSC) (Chinese: ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30553 2023
US$ 444.50
US$ 137.50
