Septemba a, Junray na ụlọ ọrụ sitere na South Korea abịanyela aka na nkwekọrịta imekọ ihe ọnụ. N'okpuru mmekorita a, akụkụ abụọ a ga-ejikọta ọnụ na-eme nchọpụta miri emi na f ...
JJF 1815-2020 Nkọwapụta Calibration maka Class ll Biosafety Cabinets Biosafety cabinet (BSC) bụ nzacha nrụgide na-adịghị mma na kabinet na-eku ume, nke nwere ike igbochi onye ọrụ na env ...