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Application filed by Boucek Ivan, Milan Kodousek, Josef Ing JindrafiledCriticalBoucek Ivan
Priority to CS886281ApriorityCriticalpatent/CS270083B1/en
Publication of CS628188A1publicationCriticalpatent/CS628188A1/en
Publication of CS270083B1publicationCriticalpatent/CS270083B1/en