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Application filed by Frantisek Ing Veinfurt, Pokorny Frantisek, Bures ZdenekfiledCriticalFrantisek Ing Veinfurt
Priority to CS849340ApriorityCriticalpatent/CS244224B1/en
Publication of CS934084A1publicationCriticalpatent/CS934084A1/en
Publication of CS244224B1publicationCriticalpatent/CS244224B1/en