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| Catalogue Number | 6.319 953 |
| Manufacturer | BRAND |
| Manufacturer P/n | 937257 |
| Alternative Ref | BLAUBRAND |
| Resolution | A |
| Cleanroom class | DIN EN ISO 1042 |
| PK | 1 |
| Ground size centre neck | NS10/19 |
| Type of closure | Glass |
| Nominal capacity ml | 20 |
| Tolerance ml | ±0.04 |
| Length lance | Stopper |
| Search words | Volumetric flasks class A, boro 3.3 |
| Alternative Reference: | BLAUBRAND |