Mgbasa sayensị 丨 Ngwọta maka nhazi ụlọ nchekwa nchekwa ndụ sitere na Junray
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 ...