Whatman 滤膜 10401772 ME24 ST 混酯纤维素膜, 0.2m,灭菌50mm/100

Whatman 滤膜 10401772 ME24 ST 混酯纤维素膜, 0.2m,灭菌50mm/100 ME24 ST 0.2uM 50MM 100/PK