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Application filed by Tomas Ing Sebo, Kral Bohumil, Milan Ing Sigotsky, Peter Csc Nemcok, Jozef KordikfiledCriticalTomas Ing Sebo
Priority to CS863870ApriorityCriticalpatent/CS258716B1/cs
Publication of CS387086A1publicationCriticalpatent/CS387086A1/cs
Publication of CS258716B1publicationCriticalpatent/CS258716B1/cs