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Application filed by Kralicek Jaroslav, Emil Ing Neuhaeusl, Vratislav Doc Ing Csc Duchacek, Antonin Ing Csc Kuta, Irena Ing Csc Prokopova, Zdenka Ing Cerna, Brummel MichalfiledCriticalKralicek Jaroslav
Priority to CS863735ApriorityCriticalpatent/CS256326B1/en
Publication of CS373586A1publicationCriticalpatent/CS373586A1/en
Publication of CS256326B1publicationCriticalpatent/CS256326B1/en