Whatman 滤膜 6706-3602 囊式滤器Polycap AS 36,带加样杯, 0.2m 1盒

Whatman 滤膜 6706-3602 囊式滤器Polycap AS 36,带加样杯, 0.2m 1盒 POLYCAP36 0.2 AS 1/PK A/A S/WB