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| Main -> Glass construction, glass equipment -> Glass components, grounded joint components | |
| Stopcocks, valves | |
| • Stopcocks, Rettberg |
| • High-vacuum stopcocks, Rettberg |
| • PTFE Valves, Rettberg |
| • High-Vacuum Valves, Rettberg |
| • Stopcocks, Quartz Glass, QGT Bad Harzburg |
| • BOLA Stopcocks, Bohlender |