| Whatman TE38聚四氟乙烯滤膜10411122 PTFE ZG 5UM 47MM 50/PK,尺寸:47MM 孔径5um,TE38颗粒物过滤膜――环境空气监测 | 14 | ¥1479.00 | ¥1479.00 | | ¥1479.00 |  |
| PZ-B-5 液体比重天平 | 10 | ¥1050.00 | ¥1050.00 | | ¥1050.00 |  |
| Whatman TE37 聚四氟乙烯滤膜10411213 TE37 1uM 50MM 50/PK,尺寸:50MM 孔径1um | 15 | ¥1580.00 | ¥1580.00 | | ¥1580.00 |  |
| Whatman Grade 3014测试纸10344672 Grade 3014 110x20MM 1000/PK PLS W/O | 94 | ¥9412.00 | ¥9412.00 | | ¥9412.00 |  |