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Application filed by Jozef Ing Adamec, Piskla Stefan, Karel Ing Prochadzka, Suran Pavol, Pavol Celiga, Kyselica JozeffiledCriticalJozef Ing Adamec
Priority to CS878401ApriorityCriticalpatent/CS264195B1/en
Publication of CS840187A1publicationCriticalpatent/CS840187A1/en
Publication of CS264195B1publicationCriticalpatent/CS264195B1/en