/usr/share/kde4/servicetypes/konqaboutpage.desktop is in konqueror 4:4.8.2-0ubuntu2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 | [Desktop Entry]
Type=ServiceType
X-KDE-ServiceType=KonqAboutPage
# No real need for a comment
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