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GB 23864-2023 Chinese PDF

GB 23864-2023 Chinese PDF

$39.00 USD
$39.00 USD
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GB 23864-2023_Chinese: Firestop material (Chinese: 防火封堵材料)
Note/Careful: Text of PDF is in Chinese (not English).
Delivery (PDF in Chinese): 2 working-hours typically, ASAP
English versions: GB 23864-2023
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