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GB/T 34877.1-2023 Chinese PDF (GB/T34877.1-2023) GB 9743-2024 English versions: GB/T 29038-2024
GB/T 34877.1-2023 Chinese PDF (GB/T34877.1-2023) GB 9743-2024 English versions: GB/T 29038-2024
$34.95
Description
English versions: GB/T 29038-2024
English versions: GB/T 22427
English versions: GB/T 42151
English versions: GB 28380-2025
testing levels
GB/T 34877.1-2023 Chinese PDF (GB/T34877.1-2023) GB 9743-2024 English versions: GB/T 29038-2024GB T 34877. 1 2023_Chinese: Industrial fans Determination of fan sound power levels under standardized laboratory conditions Part 1: General overview (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 34877. 1 2023
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