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The ornamental design for a metallurgical test specimen, substantially as shown. |
FIG. 1 is a top view of the metallurgical test specimen embodying our design;
FIG. 2 is an end view thereof as viewed from the left side of FIG. 1;
FIG. 3 is a side view thereof as viewed from the bottom side of FIG. 1;
FIG. 4 is a bottom view thereof;
FIG. 5 is an end view thereof as viewed from the right side of FIG. 4; and
FIG. 6 is a side view thereof as viewed from the lower side of FIG. 4.
Haughtington, Richard E., Wray, Donald R.
Patent | Priority | Assignee | Title |
D779724, | Jun 10 2014 | Heating element |
Patent | Priority | Assignee | Title |
3656350, | |||
108575, |
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