liquid nitrogen container
| No | Subject | Date |
|---|---|---|
| 1 | Liquid Nitrogen Storage System Calibration|Level & Temperature Verification | 2025-10-13 |
| 2 | Large-Capacity Liquid Nitrogen Storage Validation|-196℃ Temperature & Liquid Level Verification | 2025-09-08 |
| 3 | 2025-08-21 |