Whatman 滤膜 10406572 ME25/20 混酯膜,0.45m,5mm黑色网格灭菌 50mm/100

Whatman 滤膜 10406572 ME25/20 混酯膜,0.45m,5mm黑色网格灭菌 50mm/100 ME25/20 ST 0.45uM 50MM 100/PK