Whatman 濾膜 10401126 NC45硝酸纖維素膜,圓型, 0.45m, 110mm 50/盒

Whatman 濾膜 10401126 NC45硝酸纖維素膜,圓型, 0.45m, 110mm 50/盒 NC45 0.45uM 110MM 50/PK