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Application filed by Karel Hajek, Jaroslav Kitzler, Bohumil Kratky, Jirina Ruzickova, Zdenek Vasicek, Vladislav Macku, Antonin Rada, Pravoslav Macho, Stanislav Braun, Jiri TrnkafiledCriticalKarel Hajek
Priority to CS948381ApriorityCriticalpatent/CS222510B1/cs
Publication of CS222510B1publicationCriticalpatent/CS222510B1/cs