增产菌筛选方法
Screening methods for yield-increasing bacteria
1998-06-11
NY 334-1998
增产菌粉剂
Yield-increasing bacteria powder
1998-06-11
BS 4285-2.5-1989
Microbiological examination for dairy purposes. Methods of general application for enumeration of microorganisms-Enumeration of bacteria by direct microscopic counts
乳制品微生物检验 微生物计数的一般应用方法