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 Frantisek Ing Kantor, Zdenek Ing Vitkovec, Janc Zbynek, Jiri Ing Feierfeil, Fajman Jiri, Karel Ing Broz, Jiri Penkava, Adolf Nemec, Misarek Dusan, Vaclav Ing KaderafiledCriticalFrantisek Ing Kantor
Priority to CS874204ApriorityCriticalpatent/CS262222B1/en
Publication of CS420487A1publicationCriticalpatent/CS420487A1/en
Publication of CS262222B1publicationCriticalpatent/CS262222B1/en