Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Prodotti Speciali Srl CostruzifiledCriticalProdotti Speciali Srl Costruzi
Priority to IT46836/88ApriorityCriticalpatent/IT1220771B/en
Publication of IT8846836A0publicationCriticalpatent/IT8846836A0/en
Application grantedgrantedCritical
Publication of IT1220771BpublicationCriticalpatent/IT1220771B/en