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Application filed by Peter Ing Lachovic, Jaroslav PetrikfiledCriticalPeter Ing Lachovic
Priority to CS823692ApriorityCriticalpatent/CS230869B1/en
Publication of CS369282A1publicationCriticalpatent/CS369282A1/en
Publication of CS230869B1publicationCriticalpatent/CS230869B1/en