Whatman 滤膜 10404180 OE66 膜 片状, 醋酸纤维素,0.2m, 300 x 600mm 5/盒

Whatman 滤膜 10404180 OE66 膜 片状, 醋酸纤维素,0.2m, 300 x 600mm 5/盒 OE66 0.2uM 300x600MM 5/PK