Delivery: 3 seconds (Download full-editable-PDF + Invoice). Quotation: Click GB/T 4214.9-2021>>Add to cart>>Quote Editable-PDF Preview (Reload if blank, scroll for next page)
See Chinese contents: GB/T 4214.9-2021 GB/T 4214.9-2021: Test method for noise of household and similar electrical appliances -- Particular requirements for fans
