| | Whatman RC55再生纤维素膜10410213 RC55 0.45uM 47MM 100/PK AGLENT，尺寸：47MM 孔径0.45um | 0 | ￥0.00 | ￥0.00 | | ￥0.00 |  |
| | Masterflex 07553-14更换100转Masterflex L / S系统，230V电机 | 53 | ￥5300.00 | ￥5300.00 | | ￥5300.00 | |
| | Masterflex 07018-52 标准泵头Masterflex L / S 18管，PPS外壳/ SS转子 | 22 | ￥2280.00 | ￥2280.00 | | ￥2280.00 | |
