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The ornamental design for a magnetic disk memory device for electronic computers, as shown and described.
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FIG. 1 is a top, front and right side perspective view of a magnetic disk memory device for electronic computers showing my new design,
FIG. 2 is a front elevational view thereof,
FIG. 3 is a top plan view thereof,
FIG. 4 is a right side elevational view, a left side elevational view being a mirror image.
FIG. 5 is a rear elevational view thereof; and,
FIG. 6 is is a bottom plan view thereof.
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| Executed on | Assignor | Assignee | Conveyance | Frame | Reel | Doc |
| Aug 20 2001 | TANAKA, KEITA | Kabushiki Kaisha Toshiba | ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS | 012209 | /0417 | |
| Sep 26 2001 | Kabushiki Kaisha Toshiba | (assignment on the face of the patent) | / |
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