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Application filed by Del Dunantuli Tervezoe Vallala, Tolna Megyei Allami EpitoeiparfiledCriticalDel Dunantuli Tervezoe Vallala
Priority to HU668789ApriorityCriticalpatent/HUT55849A/en
Publication of HU896687D0publicationCriticalpatent/HU896687D0/en
Publication of HUT55849ApublicationCriticalpatent/HUT55849A/en
Building method for monolitic roads from prefabricated reinforced concrete shell elements, with special possibilities for using them in railroad building