• GB/T 21431-2023 Page 1
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GB/T 21431-2023 Chinese PDF (GB/T21431-2023)

GB/T 21431-2023 Chinese PDF (GB/T21431-2023)

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$69.00 USD
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GB/T 21431-2023_Chinese: Technical specification for inspection of lightning protection systems of buildings (Chinese: 建筑物雷电防护装置检测技术规范)
Note/Careful: Text of PDF is in Chinese (not English).
Delivery (PDF in Chinese): 2 working-hours typically, ASAP
English versions: GB/T 21431-2023
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