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Application filed by Jiri Ing Petrasek, Jiri Ing Thuma, Jan Rndr Csc Safar, Sinkora Zdenek, Frantisek Ing BoehmfiledCriticalJiri Ing Petrasek
Priority to CS839248ApriorityCriticalpatent/CS236839B1/en
Publication of CS924883A1publicationCriticalpatent/CS924883A1/en
Publication of CS236839B1publicationCriticalpatent/CS236839B1/en