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 Jiri Bares, Frantisek SpalenskyfiledCriticalJiri Bares
Priority to CS853860ApriorityCriticalpatent/CS254063B1/cs
Priority to DD86290445Aprioritypatent/DD269077A3/de
Priority to HU862218Aprioritypatent/HU200863B/hu
Priority to PL1986259790Aprioritypatent/PL145973B2/pl
Publication of CS386085A1publicationCriticalpatent/CS386085A1/cs
Publication of CS254063B1publicationCriticalpatent/CS254063B1/cs