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Publication of AT180706BpublicationCriticalpatent/AT180706B/en
Method for the production of lattice girders, in particular of ceiling girders for buildings and lattice girder forms produced thereafter, as well as apparatus for carrying out the method
Process for the production of prestressed large-area concrete slabs, especially for runways of airfields and the like. Like. And device for carrying out the method
Ceiling or roof panel made of reinforced lightweight building material, process for their production and ceiling and roof construction produced using such panels