GB/T 34877.2-2023 Chinese PDF (GB/T34877.2-2023) GB/T 31904-2024 English versions: GB/T 12279

Name: GB/T 34877.2-2023 Chinese PDF (GB/T34877.2-2023) GB/T 31904-2024 English versions: GB/T 12279
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SKU: 16833929786
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English versions: GB/T 12279

GB/T 30966

English versions: GB/T 31308

English versions: GB/T 30958-2023

English versions: GB/T 18978

GB/T 34877.2-2023 Chinese PDF (GB/T34877.2-2023) GB/T 31904-2024 English versions: GB/T 12279GB T 34877. 2 2023_Chinese: Industrial fans Determination of fan sound power levels under standardized laboratory conditions Part 2: Reverberant room method (Chinese: 2) Note Careful: Text of PDF is in Chinese (not English). Delivery (PDF in Chinese): 2 working hours typically, ASAP English versions: GB T 34877. 2 2023

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