138型：绿底深绿格膜片，用于细菌总数或其它菌落计数检测，尤其适合深色菌落的检测

微生物检查用单片，独立无菌包装，网格膜
 

Gridded Membranes, Sterile and Individually Packed, for Colony Counts

 

Φ50mm直径