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71-2024_Chinese: Communication networks and systems for power utility automation - Part 7-1: Basic communication structure - Principles and models (Chinese: 电力自动化通信网络和系统 第7-1部分：基本通信结构 原理和模型)
English versions: GB/T 14392
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GB/T 13748.20-2024 Chinese PDF (GB/T13748.20-2024) GB/T 40032.2-2025 English versions: GB/T 18375-2024GB T 13748. 20 2024_Chinese: Methods for chemical analysis of magnesium and magnesium alloys Part 20: Determination of elements content Inductively coupled plasma atomic emission spectrometric method (Chinese: 20 ) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 13748. 20 2024
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