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Application filed by Pozar Vojmir, Bohuslav Hornak, Lapes FrantisekfiledCriticalPozar Vojmir
Priority to CS871879ApriorityCriticalpatent/CS262921B1/en
Publication of CS187987A1publicationCriticalpatent/CS187987A1/en
Publication of CS262921B1publicationCriticalpatent/CS262921B1/en