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The ornamental design for an oxygen valve key, as shown and described. |
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FIG. 1 is a left end perspective view of the oxygen valve key showing the new design;
FIG. 2 is a right end perspective view thereof;
FIG. 3 is a left end elevational view thereof;
FIG. 4 is a right end elevational view thereof;
FIG. 5 is a bottom plan view thereof; and,
FIG. 6 is a top plan view thereof.
| Patent | Priority | Assignee | Title |
| D840529, | Aug 18 2017 | Breathing apparatus | |
| D852959, | Jan 02 2018 | Samsung Electronics Co., Ltd. | Mouthpiece for spirometer |
| Patent | Priority | Assignee | Title |
| D290581, | Nov 01 1985 | Tubular key | |
| D348603, | Jul 09 1992 | LYNX SYSTEMS, INC A CORP OF CALIFORNIA | Implement for controlling an electronic lock mechanism |
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