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
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Application filed by Salajka Zdenek, Oldrich Hamrik, Mihnea Gheorghiu, Kratochvila Jan, Pavel Ing Sindelar, Zaloudik Petr, Legeza Vasil, Ladislav JansafiledCriticalSalajka Zdenek
Priority to CS869837ApriorityCriticalpatent/CS262452B1/en
Priority to FR8705347Aprioritypatent/FR2597486B1/en
Priority to GB8709314Aprioritypatent/GB2189252B/en
Priority to US07/068,998prioritypatent/US4898847A/en
Publication of CS983786A1publicationCriticalpatent/CS983786A1/en
Publication of CS262452B1publicationCriticalpatent/CS262452B1/en