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The ornamental design for a diaphragm pump, as shown. |
FIG. 1 is a top, front, right-side perspective view of a diaphragm pump showing my new design;
FIG. 2 is a front view thereof;
FIG. 3 is a right side view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a rear view thereof; and,
FIG. 7 is a left side view thereof.
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Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
Mar 23 2000 | IWATA, TOMOYUKI | SMC Kabushiki Kaisha | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 010722 | /0682 | |
Apr 03 2000 | SMC Kabushiki Kaisha | (assignment on the face of the patent) | / |
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