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 IN841/MAS/87Aexternal-prioritypatent/IN170511B/en
Application filed by Minnesota Mining & MfgfiledCriticalMinnesota Mining & Mfg
Priority to IN289MA1991priorityCriticalpatent/IN172557B/en
Publication of IN172557BpublicationCriticalpatent/IN172557B/en
