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English versions: GB/T 31960
English versions: GB/T 44987-2024
GB/T 13894-2023_Chinese: Petroleum and liquid petroleum products - Level measurement - Manual methods (Chinese: 石油和液体石油产品 液位测量 手工法)
GB/T 45036-2024_Chinese: Inspection of grain and oils - Technical specification for sample information collection (Chinese: 粮油检验 样品信息采集技术规范)
GB/T 30553-2023 Chinese PDF (GB/T30553-2023) GB/T 45428-2025 English versions: GB/T 31960GB 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$ 37.90
US$ 141.95
