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Application filed by Ivan Ing Simacek, Ladislav PartlfiledCriticalIvan Ing Simacek
Priority to CS817955ApriorityCriticalpatent/CS232357B1/en
Publication of CS795581A1publicationCriticalpatent/CS795581A1/en
Publication of CS232357B1publicationCriticalpatent/CS232357B1/en