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Application filed by Bohumir Belunek, Sava Kubin, Bronislav Neuwirt, Josef Pastrnak, Jaroslav Tyrlik, Jan Kouril, Jiri MohylafiledCriticalBohumir Belunek
Priority to CS715677ApriorityCriticalpatent/CS194516B1/cs
Publication of CS194516B1publicationCriticalpatent/CS194516B1/cs