Whatman 滤膜 10407372 ME25/41连体混酯绿色膜0.45m黑色网格灭菌50mm/400

Whatman 滤膜 10407372 ME25/41连体混酯绿色膜0.45m黑色网格灭菌50mm/400 ME25/41 STL 0.45uM 50MM 400/PK