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Application filed by Vavrovic Jan, Skolnik Juraj, Josef Ing Tvrdik, Klimek MilanfiledCriticalVavrovic Jan
Priority to CS867122ApriorityCriticalpatent/CS255400B1/en
Publication of CS712286A1publicationCriticalpatent/CS712286A1/en
Publication of CS255400B1publicationCriticalpatent/CS255400B1/en