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English versions: GB/T 27647-2024
GB/T 45480-2025_Chinese: Manganese ores and concentrates - Determination of aluminium content - Photometric and gravimetric methods (Chinese: 锰矿石和锰精矿 铝含量的测定 光度法和重量法)
English versions: GB/T 27772-2025
English versions: GB 19083-2023
22-2023_Chinese: Industrial-process measurement and control - Data structures and elements in process equipment catalogues - Part 22: Lists of properties (LOPs) of valve body assemblies for electronic data exchange (Chinese: 工业过程测量和控制 过程设备目录中的数据结构和元素 第22部分：阀体总成电子数据交换用属性列表(LOPs))
GB/T 25320.6-2023 Chinese PDF (GB/T25320.6-2023) GB/T 45136-2024 English versions: GB/T 27647-2024GB T 25320. 6 2023_Chinese: Power systems management and associated information exchange Data and communications security Part 6: Security for IEC 61850 (Chinese: 6IEC 61850) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 25320. 6 2023
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US$ 90.95
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