JJF 1815-2020 Calibration Specification for Class ll Biosafety Cabinets Biosafety cabinet (BSC) ndi kabati yoyipa yosefera ndi mpweya wabwino, yomwe ingalepheretse wogwiritsa ntchito ndi ...
Seputembala uno, Junray ndi mabizinesi aku South Korea asayina mgwirizano wamgwirizano. Pansi pa mgwirizanowu, mbali ziwirizi zipanga mgwirizano wofufuza mozama mu ...