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Application filed by Tomas Bartusek, Ludvik Ing Curda, Vanek Vladimir, Mandik Lumir, Oldrich Ing DufkafiledCriticalTomas Bartusek
Priority to CS839761ApriorityCriticalpatent/CS239692B1/en
Publication of CS976183A1publicationCriticalpatent/CS976183A1/en
Publication of CS239692B1publicationCriticalpatent/CS239692B1/en