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Application filed by Josef Ing Balsik, Jaromir Ing Csc Snizek, Milos Ing Skocovsky, Miroslav Malec, Zdenek MachacekfiledCriticalJosef Ing Balsik
Priority to CS841548ApriorityCriticalpatent/CS238542B1/en
Publication of CS154884A1publicationCriticalpatent/CS154884A1/en
Publication of CS238542B1publicationCriticalpatent/CS238542B1/en