Whatman 濾膜 6974-2504 GD/XP25針頭式濾器0.45m PTFE 150/盒

Whatman 濾膜 6974-2504 GD/XP25針頭式濾器0.45m PTFE 150/盒 GD/XP 25/0.45 PTFE 150/PK