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Application filed by Petran Mojmir, Hadravsky Milan, Maly Miroslav, Polacek JirifiledCriticalPetran Mojmir
Priority to CS877908ApriorityCriticalpatent/CS269930B1/en
Publication of CS790887A1publicationCriticalpatent/CS790887A1/en
Publication of CS269930B1publicationCriticalpatent/CS269930B1/en