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Application filed by Karol Ing Csc Zuzcak, Ivan Ing Geroefi, Imrich Ing Pales, Frantisek Ing BreierfiledCriticalKarol Ing Csc Zuzcak
Priority to CS831915ApriorityCriticalpatent/CS238862B1/en
Publication of CS191583A1publicationCriticalpatent/CS191583A1/en
Publication of CS238862B1publicationCriticalpatent/CS238862B1/en