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Application filed by Zdenek Ing Csc Vasicek, Hajek Karel, Kratky Bohumil, Ditrych Zdenek, Ruzickova Jirina, Emil Rndr Csc KrejcarfiledCriticalZdenek Ing Csc Vasicek
Priority to CS831926ApriorityCriticalpatent/CS231384B1/cs
Publication of CS192683A1publicationCriticalpatent/CS192683A1/cs
Publication of CS231384B1publicationCriticalpatent/CS231384B1/cs