FIG. 1 is a front perspective view of a plow blade showing my new design;
FIG. 2 is a cross-sectional view thereof taken along line 2-2 in FIG.1;
FIG. 3 is a front elevation view thereof; and,
FIG. 4 is a rear elevation view thereof.
Portions of the plow blades in broken lines form no part of the claimed design.
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