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GB/T 45465.1-2025 Chinese PDF (GB /T45465.1-2025)
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GB/T 45465.1-2025 Chinese PDF (GB /T45465.1-2025)
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GB/T 45465.1-2025 Chinese PDF (GB /T45465.1-2025)GB T 45465. 1 2025_Chinese: Testing and calculating methods for seasonal performance factor of energy recovery ventilators for outdoor air handling Part 1: Seasonal performance factor of sensible heating recovery (Chinese: 1) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 45465. 1 2025
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