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Application filed by Jiri Ing Kolinek, Proksa Bohumil, Jozef Ing Cerny, Varga Ivan, Frimm Richard, Gattnar OndrejfiledCriticalJiri Ing Kolinek
Priority to CS834276ApriorityCriticalpatent/CS233266B1/en
Publication of CS427683A1publicationCriticalpatent/CS427683A1/en
Publication of CS233266B1publicationCriticalpatent/CS233266B1/en