Whatman 濾膜 10406870 ME25/21白色混酯膜0.45m,3.1黑色網(wǎng)格滅菌47mm/100

Whatman 濾膜 10406870 ME25/21白色混酯膜0.45m,3.1黑色網(wǎng)格滅菌47mm/100 ME25/21 ST 0.45uM 47MM 100/PK