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Application filed by Petros Jaroslav, Hromek Frantisek, Antonin Ing Stivar, Jaroslav Ing Brezina, Zavisky Jaromir, Vladimir Ing Csc MachalekfiledCriticalPetros Jaroslav
Priority to CS883804ApriorityCriticalpatent/CS266645B1/en
Publication of CS380488A1publicationCriticalpatent/CS380488A1/en
Publication of CS266645B1publicationCriticalpatent/CS266645B1/en