IT1031444BIT1993075AIT1993075AIT1031444BIT 1031444 BIT1031444 BIT 1031444BIT 1993075 AIT1993075 AIT 1993075AIT 1993075 AIT1993075 AIT 1993075AIT 1031444 BIT1031444 BIT 1031444B
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
Priority claimed from FR7404062Aexternal-prioritypatent/FR2278440A1/fr
Priority claimed from FR7404255Aexternal-prioritypatent/FR2260413B1/fr
Application filed by Promecan Sisson LehmannfiledCriticalPromecan Sisson Lehmann
Application grantedgrantedCritical
Publication of IT1031444BpublicationCriticalpatent/IT1031444B/it