Whatman 滤膜 10406871 ME25/21 白色混酯膜0.45m,黑色网格灭菌47mm/1000

Whatman 滤膜 10406871 ME25/21 白色混酯膜0.45m,黑色网格灭菌47mm/1000 ME25/21 ST 0.45uM 47MM 1000/PK