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 Inst Elektroswarki PatonafiledCriticalInst Elektroswarki Patona
Priority to IN284/CAL/84ApriorityCriticalpatent/IN157236B/en
Publication of IN157236BpublicationCriticalpatent/IN157236B/en