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The ornamental design for a centrifuge, as shown. |
FIG. 1 is a top front perspective view of a centrifuge, showing my new design;
FIG. 2 is a front elevational view thereof, shown on an enlarged scale;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is an enlarged elevational view of the control display.
FIG. 6 is a rear elevational view thereof.
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