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Application filed by Frantisek Rndr Kovac, Karol Ing Csc Pelikan, Pavlik JozeffiledCriticalFrantisek Rndr Kovac
Priority to CS881829ApriorityCriticalpatent/CS266279B1/cs
Publication of CS182988A1publicationCriticalpatent/CS182988A1/cs
Publication of CS266279B1publicationCriticalpatent/CS266279B1/cs