Qelectrotech Bibliothek Direct

It seems you are looking for documentation or a paper on the (Bibliothek). QElectroTech is an open-source software for creating electrical schematics, and its "bibliothek" refers to the collection of electrical symbols (elements) used in diagrams.

A personal space where you can create, organize, and edit your own custom symbols. You have full rights to add new folders, delete items, and re-organize this collection. qelectrotech bibliothek