A stable mutated strain was obtained from the spores of josamycin producer S.narbonensis var. josamyceticus JOS-20 by purification.
英
美
本文通过对交沙霉素产生菌纳儿榜链霉菌交沙霉素变种(S.;narbonensis var
目录
查词历史
英 汉