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Application filed by Federico AntonellofiledCriticalFederico Antonello
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Publication of AT168655BpublicationCriticalpatent/AT168655B/de
AT168655D1946-06-221947-06-13Verfahren zur Herstellung von Hohlkörpern von polygonalem, offenem oder geschlossenem Querschnitt aus Beton
AT168655B
(de)