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GB/T 30966.4-2023 Chinese PDF (GB/T30966.4-2023) GB/T 45540-2025 English versions: GB/T 16477
GB/T 30966.4-2023 Chinese PDF (GB/T30966.4-2023) GB/T 45540-2025 English versions: GB/T 16477
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English versions: GB/T 16477
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20-2025_Chinese: Methods for chemical analysis of tungsten concentrates - Part 20: Determination of mercury content - Solid sampling and direct mercury analysis method (Chinese: 钨精矿化学分析方法 第20部分：汞含量的测定 固体进样直接测定法)
English versions: GB/T 17988-2024
GB/T 30966.4-2023 Chinese PDF (GB/T30966.4-2023) GB/T 45540-2025 English versions: GB/T 16477GB T 30966. 4 2023_Chinese: Wind energy generation systems Communication for monitoring and control of wind power plants Part 4: Mapping to communication profile (Chinese: 4) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 30966. 4 2023
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