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Application filed by Frantisek Jaros, Zdenek Kotrba, Jiri Hejduk, Bures Pavel, Hacova Kveta, Ing Storekejiri, Bozena Rehackova, Jiri PirklfiledCriticalFrantisek Jaros
Priority to CS876373ApriorityCriticalpatent/CS263340B1/en
Publication of CS637387A1publicationCriticalpatent/CS637387A1/en
Publication of CS263340B1publicationCriticalpatent/CS263340B1/en