| | 英国Whatman 1542-240,定量滤纸―硬化无灰级Grade 542 : 2.7 μm,24CM | 11 | ¥1101.00 | ¥1101.00 | | ¥1101.00 |  |
| | 英国Whatman 1542900710,定量滤纸―硬化无灰级Grade 542 :2.7 μm,0.475INx310MM | 7 | ¥704.00 | ¥704.00 | | ¥704.00 |  |
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| | Sensidyne 158S 气体检测管 | 8 | ¥820.00 | ¥820.00 | | ¥820.00 |  |
| | Sensidyne 138U 气体检测管 | 8 | ¥820.00 | ¥820.00 | | ¥820.00 |  |