| Patent Number | Title | Applicant | Opposition Date |
|---|---|---|---|
| EP2889481 | Method For Calibrating A Membrane Vacuum Pump And Membrane Vacuum Pump | PFEIFFER VACUUM GMBH | Jan 2, 2019 |
| EP2918835 | Diaphragm Pump | PFEIFFER VACUUM GMBH | Dec 21, 2017 |
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