Emere ihe ngosi 21st China International Environmental Protection CIEPEC 2023 nke ọma na Beijing - China International Exhibition Center (Chaoyang Hall) site na Eprel 13-15, 2023. Organi...
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 ...