GB/T 45465.1-2025 Chinese PDF (GB /T45465.1-2025) GB/T 20717-2024 GB/T 45434
$34.95
Description
GB/T 45434
English versions: GB/T 26250-2025
GB/T 45182-2025_Chinese: Test procedures of gasket parameters based on leakage rate for the pipe flange joints (Chinese: 基于泄漏率的管法兰用垫片参数测试方法)
English versions: GB/T 32588
English versions: GB/T 37150-2025
GB/T 45465.1-2025 Chinese PDF (GB /T45465.1-2025) GB/T 20717-2024 GB/T 45434GB 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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