Curtain drawing devices, electrically operated; window closers, hydraulic; window openers, hydraulic; window openers, pneumatic; window closers, pneumatic; window openers, electric; window closers, electric; door closers, electric; door openers, electric.

Machines and lines composed thereof for the production and processing of floor coverings, wallpaper, paper webs, films and technical textiles; window openers, pneumatic; window closers, pneumatic; window openers, hydraulic; elevator chains being parts of machines; window closers, hydraulic; dust exhausting installations for cleaning purposes; curtain drawing devices, electrically operated