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Application filed by Karel Ing Csc Sporka, Jiri Doc Ing Csc Hanika, Janacek Leos, Vybihal Jaromir, Novak Vaclav, Cirova Alena, Vojtech GrosserfiledCriticalKarel Ing Csc Sporka
Priority to CS874830ApriorityCriticalpatent/CS263010B1/en
Publication of CS483087A1publicationCriticalpatent/CS483087A1/en
Publication of CS263010B1publicationCriticalpatent/CS263010B1/en