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Application filed by Bedrich Parizek, Frantisek Haas, Karel Dedic, Josef Krizek, Jan Novak, Ludvik UrbanekfiledCriticalBedrich Parizek
Priority to CS246676ApriorityCriticalpatent/CS194963B1/cs
Publication of CS194963B1publicationCriticalpatent/CS194963B1/cs