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The ornamental design for a centrifugal pump, as shown and described.
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FIG.
FIG.
FIG.
FIG.
FIG.
FIG.
FIG.
FIG.
The parts shown by means of broken lines in the drawings are not part of the claimed design.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| May 22 2018 | Micronel AG | (assignment on the face of the patent) | / | |||
| Dec 11 2019 | ZWAHLEN, RONNY | Micronel AG | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 051273 | /0982 |
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