US D413677 S
FIG. 1 is a front perspective view of a sample tube rack;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a rear elevational view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a side elevational view thereof the opposite side being symmetrical with the side shown;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.