Gas filling machine main body

FIG. 1 is a front elevational view of the gas filling machine main body of the present invention showing our new design, the rear elevational view being identical to the front elevational view;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is top, front perspective view thereof; and,

FIG. 5 is a right-side elevational view, the left-side elevational view being a mirror image of the right-side elevational view.

The portions of FIGS. 1 , 4 and 5 shown in broken lines do not form any part of the claimed design.