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 N Proizv Ob TulatschermetfiledCriticalN Proizv Ob Tulatschermet
Priority to IT23274/87ApriorityCriticalpatent/IT1223625B/it
Publication of IT8723274A0publicationCriticalpatent/IT8723274A0/it
Application grantedgrantedCritical
Publication of IT1223625BpublicationCriticalpatent/IT1223625B/it