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The ornamental design for a welder qualification test coupon jig, as shown and described. |
FIG. 1 is a perspective view of a welder qualification test coupon jig showing my new design;
FIG. 2 is a top plan view;
FIG. 3 is a side elevational view the opposite side be a mirror image;
FIG. 4 is a front elevational view;
FIG. 5 is a rear elevational view; and,
FIG. 6 is a bottom plan view.
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D957487, | Jul 29 2021 | SHENZHEN JIALEXIN TECHNOLOGY CO., LTD.; SHENZHEN JIALEXIN TECHNOLOGY CO , LTD | Welding jig |
Patent | Priority | Assignee | Title |
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232153, |
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