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Android icons
Lock, dinar, open
Gray
72x72
ups, Lock
Loan, Lock
Lock, eighth, open
Earphone, open, Lock
window, Lock
Lock, Usb
sign, yen, Lock
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Textured Icon
Lock
32x32
Soft Media Vol 1
Berlin
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22 e107-Bubbles
Admin, security, locked
30x30
Gnome 2.18 Icon Theme
system, Lock, monitor
Literary 007
Folder, locked, Lock
Folder, Lock, security
GNOME Desktop
Gnome, screen, Display
64x64
UI
Glyph
Mini icon set Part 1
48x48
Computer & hardware
Pixel
Strabo
Lock, Unlocked
24x24
Music & multimedia
Smooth
Soft media icons vol 1
Files & folders
3D
Snow Sabre Silver
Unlock, Folder, Lock
512x512
Gnome Web Icons
Gnome, Lock, system
Gnome, screen, 64
Desktop apps
Admin, Lock