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First: the packages you refer to are very old. ROS Electric is from 2011.
This means the packages you are referring to cannot be installed on newer versions of ROS (or at least: not with apt).
As you have installed Ubuntu 11, you should be able to still install them, but you will have to use the Snapshot repository.
Refer to #q340464 for a related question (although the OP there asks about ROS Fuerte) and a link to the page which explains how to configure the required repositories.
Finally: you are probably already aware, but please note that both Ubuntu 11.x and ROS Electric are very old, unsupported and unmaintained.
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