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Application filed by Barta Cestmir, Triska Ales, Zdena Ing Pokorna, Emil Ing Csc Pollert, Milos Ing Csc NevrivafiledCriticalBarta Cestmir
Priority to CS874879ApriorityCriticalpatent/CS267465B1/en
Publication of CS487987A1publicationCriticalpatent/CS487987A1/en
Publication of CS267465B1publicationCriticalpatent/CS267465B1/en