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Desktop apps
Glyph
16x16 Free Toolbar Icons
magnify, Find, Lookup
Black
16x16
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3D
Free Applications Icons
Explore, glass, locate
24x24
magnifying glass, Explorer, search
magnifying, search, magnifying glass
Minicons
search, magnifying glass, zoom
48x48
Smooth
KDE Crystal Diamond
Find, search, magnifying glass
22x22