Whatman 滤膜 7153-104 NC 硝酸纤维素,黑色网格,灭菌的0.45m 47mm 100/盒

Whatman 滤膜 7153-104 NC 硝酸纤维素,黑色网格,灭菌的0.45m 47mm 100/盒 WME BL GRST 47MM 0.45UM 100/PK