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Application filed by Vladimir Ing Csc Jadrnicek, Smrcka Jaroslav, Sedivec Jan, Jiri Ing TrckafiledCriticalVladimir Ing Csc Jadrnicek
Priority to CS864574ApriorityCriticalpatent/CS257978B1/cs
Publication of CS457486A1publicationCriticalpatent/CS457486A1/cs
Publication of CS257978B1publicationCriticalpatent/CS257978B1/cs