Domestic soda-water preparing device

FIG. 1 is a top, front, right side perspective of the domestic soda-water preparing device;

FIG. 2 is a top, back, left side perspective view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a back elevation view thereof;

FIG. 5 is a right side elevation view thereof;

FIG. 6 is a left side elevation view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The broken lines in the drawing depict portions of the domestic soda-water preparing device that form no part of the claimed design.