Whatman 濾膜 7184-001 NC 硝酸纖維素, 白色平滑, 0.45m 13mm 100/盒

Whatman 濾膜 7184-001 NC 硝酸纖維素, 白色平滑, 0.45m 13mm 100/盒 WCN WH 13MM 0.45uM 100/PK