| | 华瑞ToxiRAE II 个人用单一有毒气体/氧气检测仪,045-0512-C00,PGM-1110,CO(0-500ppm) | 27 | ¥2730.00 | ¥2730.00 | | ¥2730.00 |  |
| | 华瑞ToxiRAE II 个人用单一有毒气体/氧气检测仪,045-0512-C20*,PGM-1110(特殊需求)CO(0-2000ppm) | 27 | ¥2730.00 | ¥2730.00 | | ¥2730.00 |  |
| | 华瑞ToxiRAE II 个人用单一有毒气体/氧气检测仪,045-0511-C00,PGM-1120,0-100ppm硫化氢 | 27 | ¥2730.00 | ¥2730.00 | | ¥2730.00 |  |
| | Sigma -氟化钠|NaF,250克装 | 10 | ¥1020.00 | ¥1020.00 | | ¥1020.00 |  |