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Publication date
Application filed by Zdenek Pavlica, Jaroslav PenickafiledCriticalZdenek Pavlica
Priority to CS865315ApriorityCriticalpatent/CS259497B1/cs
Priority to DE19873721349prioritypatent/DE3721349A1/de
Priority to SU877774548Aprioritypatent/RU1825824C/ru
Priority to IT8721278Aprioritypatent/IT1228267B/it
Publication of CS531586A1publicationCriticalpatent/CS531586A1/cs
Publication of CS259497B1publicationCriticalpatent/CS259497B1/cs