| | Cole-Parmer 17764-CPN 硝酸纤维素滤膜 | 19 | ￥1980.00 | ￥1980.00 | | ￥1980.00 |  |
| | Whatman Grade 520A滤纸10331494 Grade 520A FF 450MM 100/PK | 0 | ￥0.00 | ￥0.00 | | ￥0.00 | |
| | WhatmanGrade1定性滤纸1001-734GR 1 47CMx100M 1/PK | 45 | ￥4520.00 | ￥4520.00 | | ￥4520.00 | |
| | NYCO GREASE GN 22 5KG包装,满足MIL-PRF-81322G G-395 | 15 | ￥1567.44 | ￥1567.44 | | ￥1567.44 | |
