Whatman 滤膜 10442300 GV050/3 真空抽滤支架, 玻璃, 250ml, 47/50mm, 滤网, 1000ml 锥形瓶 1/盒

Whatman 滤膜 10442300 GV050/3 真空抽滤支架, 玻璃, 250ml, 47/50mm, 滤网, 1000ml 锥形瓶 1/盒 GV050/3 GLASS VAC1 250ML 1/PK