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
Priority claimed from US06/749,938external-prioritypatent/US4686596A/en
Application filed by Minnesota Mining & MfgfiledCriticalMinnesota Mining & Mfg
Priority to AT0264490ApriorityCriticalpatent/AT395077B/de
Publication of ATA264490ApublicationCriticalpatent/ATA264490A/de
Application grantedgrantedCritical
Publication of AT395077BpublicationCriticalpatent/AT395077B/de
AT0264490A1985-06-271990-12-28Geschichtet aufgebautes joch zur aufnahme des kerns eines video-aufnahmekopfes und verfahren zu seiner herstellung
AT395077B
(de)