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 Masella M, Colombo EfiledCriticalMasella M
Priority to ZA732740ApriorityCriticalpatent/ZA732740B/en
Priority to FR7414085Aprioritypatent/FR2226940B1/fr
Priority to GB1779074Aprioritypatent/GB1437566A/en
Priority to IT50587/74Aprioritypatent/IT1015934B/en
Priority to US463610Aprioritypatent/US3902260A/en
Priority to DE2419870Aprioritypatent/DE2419870A1/en
Publication of ZA732740BpublicationCriticalpatent/ZA732740B/en