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Application filed by Karel Ing Csc Veverka, Vaclav Ing Csc KudelafiledCriticalKarel Ing Csc Veverka
Priority to CS849987ApriorityCriticalpatent/CS251648B1/cs
Publication of CS998784A1publicationCriticalpatent/CS998784A1/cs
Publication of CS251648B1publicationCriticalpatent/CS251648B1/cs