Refrigerator

FIG. 1 is a front perspective view of a refrigerator, showing our new design; FIG. 2 is a front view thereof; FIG. 3 is a rear view thereof; FIG. 4 is a left-side view thereof; FIG. 5 is a right-side view thereof; FIG. 6 is a top view thereof; FIG. 7 is a bottom view thereof; FIG. 8 is a front bottom left-side perspective view thereof; FIG. 9 is another front perspective view thereof; FIG. 10 is another front perspective view thereof; FIG. 11 is a cross-sectional view thereof taken from line 11 a - 11 a ′ to 11 b - 11 b ′ of FIG. 2 . FIG. 12 is an enlarged cross-sectional view of a portion defined by lines 12 a - 12 a ′, 12 b - 12 b ′, 12 c - 12 c ′, and 12 d - 12 d ′ in FIG. 2 , taken along line 12 e - 12 e ′ of FIG. 6 ; FIG. 13 is an enlarged view of the encircled portion 13 of FIG. 1 ; FIG. 14 is an enlarged view of the encircled portion 14 of FIG. 9 ; and, FIG. 15 is an enlarged view of the encircled portion 15 of FIG. 10 . The even-dash broken lines depict portions of the refrigerator that form no part of the claimed design. The dot-dot-dash broken lines encircling portions of FIGS. 1 , 9 , 10 , and 12 - 14 are for the purpose of illustrating a partially enlarged view and form no part of the claimed design.