Whatman 滤膜 10402014 NC10硝酸纤维素膜,圆型, 0.1m, 50mm 100/盒

Whatman 滤膜 10402014 NC10硝酸纤维素膜,圆型, 0.1m, 50mm 100/盒 NC10 0.1uM 50MM 100/PK