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 M MantchevfiledCriticalM Mantchev
Priority to BR729972ApriorityCriticalpatent/BR7207299D0/en
Priority to ES419697Aprioritypatent/ES419697A1/en
Priority to DE19732351988prioritypatent/DE2351988A1/en
Priority to US05/407,069prioritypatent/US3945540A/en
Priority to FR7337278Aprioritypatent/FR2203752B3/fr
Priority to IT7330288Aprioritypatent/IT1017524B/en
Priority to GB4849573Aprioritypatent/GB1436609A/en
Priority to JP48117365Aprioritypatent/JPS4994485A/ja
Priority to AR250586Aprioritypatent/AR198882A1/en
Publication of BR7207299D0publicationCriticalpatent/BR7207299D0/en