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 filedfiledCritical
Priority to FR7328600ApriorityCriticalpatent/FR2239195B1/fr
Priority to CS544773Aprioritypatent/CS164614B1/cs
Priority to DE19742435137prioritypatent/DE2435137A1/de
Priority to DD18007874Aprioritypatent/DD120176A1/xx
Priority to BG2733574Aprioritypatent/BG22520A1/xx
Priority to FR7426283Aprioritypatent/FR2245555B3/fr
Priority to GB3346374Aprioritypatent/GB1475734A/en
Publication of CS164614B1publicationCriticalpatent/CS164614B1/cs