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Application filed by Frantisek Ing Cerny, Jaroslav Ing Horacek, Jiri Ing Talafous, Vladimir Ing ChladekfiledCriticalFrantisek Ing Cerny
Priority to CS845998ApriorityCriticalpatent/CS243099B1/en
Publication of CS599884A1publicationCriticalpatent/CS599884A1/en
Publication of CS243099B1publicationCriticalpatent/CS243099B1/en