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Application filed by Mostecky Jiri, Frantisek Doc Dr Ing Csc Srbek, Josef Ing Csc Kiefman, Vodicka Ludek, Rudolf Ing Crha, Irena Ing ZajickovafiledCriticalMostecky Jiri
Priority to CS843851ApriorityCriticalpatent/CS252664B1/en
Publication of CS385184A1publicationCriticalpatent/CS385184A1/en
Publication of CS252664B1publicationCriticalpatent/CS252664B1/en