| JIS Z8901 CLASS6试验粉尘 | 15 | ¥1500.00 | ¥1500.00 | | ¥1500.00 |  |
| 汇分 单分散聚苯乙烯微球/塑胶颗粒/高分子聚合物/纳米微米/PSL小球 | 0 | ¥0.00 | ¥0.00 | | ¥0.00 |  |
| Cellulose Acetate Spheres 聚纳米微球 | 0 | ¥0.00 | ¥0.00 | | ¥0.00 |  |
| WhatmanGrade1定性滤纸1001-329GR 1 3.0CM 100/PK | 0 | ¥52.00 | ¥52.00 | | ¥52.00 |  |
| 美国cospheric黑色醋酸纤维素聚合物微球 | 0 | ¥0.00 | ¥0.00 | | ¥0.00 |  |
| 日本JIS关东粉Class7测试粉尘 | 15 | ¥1500.00 | ¥1500.00 | | ¥1500.00 |  |