Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lapes Frantisek, Zdenek Ing Kuba, Stanislav Ing Csc Nosek, Milan Ing Zgarba, Modrijan Frantisek, Bohuslav Hornak, Suchanek Borivoj, Adolf Ing SlezakfiledCriticalLapes Frantisek
Priority to CS872308ApriorityCriticalpatent/CS263505B1/en
Publication of CS230887A1publicationCriticalpatent/CS230887A1/en
Publication of CS263505B1publicationCriticalpatent/CS263505B1/en