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Application filed by Lubomir Krojzl, Vladimir Mazal, Bohuslav Turek, Ludvik Kloubec, Karel Kvasnicka, Miloslav Ing ValehrachfiledCriticalLubomir Krojzl
Priority to CS833083ApriorityCriticalpatent/CS231880B1/en
Publication of CS308383A1publicationCriticalpatent/CS308383A1/en
Publication of CS231880B1publicationCriticalpatent/CS231880B1/en