The ornamental design for a mobilestand for supporting a table top for office machine, as shown and described.
FIG. 1 is a perspective view of a mobile stand for supporting a table top
for office machines showing my new design;
FIG. 2 is a perspective view thereof taken from the side and end opposite
to that shown in FIG. 1 and in a lowered position; and
FIG. 3 is an enlarged detailed perspective view of one of the telescoping
support legs showing a longitudinally extending groove with a depth
increasing toward the lower end of said leg.