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Application filed by Vladimir Ing Csc Vanek, Jindrich Ing Vejmola, Jan ParmafiledCriticalVladimir Ing Csc Vanek
Priority to CS885346ApriorityCriticalpatent/CS266797B1/en
Publication of CS534688A1publicationCriticalpatent/CS534688A1/en
Publication of CS266797B1publicationCriticalpatent/CS266797B1/en