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Application filed by Pavel Ing Hudak, Jozef Dipl Tech Gera, Emil Ing Molda, Stefan Ing JurakfiledCriticalPavel Ing Hudak
Priority to CS831911ApriorityCriticalpatent/CS231383B1/en
Publication of CS191183A1publicationCriticalpatent/CS191183A1/en
Publication of CS231383B1publicationCriticalpatent/CS231383B1/en