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Application filed by Otakar Bocek, Rudolf Havlicek, Miroslav Langmajer, Frantisek Jares, Ladislav VeseckyfiledCriticalOtakar Bocek
Priority to CS51182ApriorityCriticalpatent/CS222584B1/cs
Publication of CS222584B1publicationCriticalpatent/CS222584B1/cs