Laser processing machine

FIG. 1 is a front perspective view of an ornamental design for a laser processing machine;

FIG. 2 is another front perspective view of the design;

FIG. 3 is a rear perspective view of the design;

FIG. 4 is another rear perspective view of the design;

FIG. 5 is a front view of the design;

FIG. 6 is a left side elevation view of the design;

FIG. 7 is a right side elevation view of the design;

FIG. 8 is a top view of the design; and,

FIG. 9 is a bottom view of the design.

The broken lines shown herein are portions of the laser processing machine which form no part of the claimed design.