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Application filed by Hrabovecky Imrich, Milan Ing Csc Bacovsky, Nater Pavel, Janosik Stefan, Dusan Ing Stacho, Frantisek Ing Nadvornik, Stanko NikolajfiledCriticalHrabovecky Imrich
Priority to CS87660ApriorityCriticalpatent/CS260337B1/en
Publication of CS66087A1publicationCriticalpatent/CS66087A1/en
Publication of CS260337B1publicationCriticalpatent/CS260337B1/en