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Application filed by Ivo Ing Bajer, Frantisek Ing Kadlcak, Jaroslav Ing KuehnelfiledCriticalIvo Ing Bajer
Priority to CS836588ApriorityCriticalpatent/CS245215B1/en
Publication of CS658883A1publicationCriticalpatent/CS658883A1/en
Publication of CS245215B1publicationCriticalpatent/CS245215B1/en