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Application filed by Cihak Pavel, Petru Vladimir, Viktor Prom Chem Soucek, Lubomir Ing Chupik, Jiri Ing Safranek, Svatopluk Ing Bartos, Milos Ing JanakfiledCriticalCihak Pavel
Priority to CS843843ApriorityCriticalpatent/CS239432B1/en
Publication of CS384384A1publicationCriticalpatent/CS384384A1/en
Publication of CS239432B1publicationCriticalpatent/CS239432B1/en