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.)
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Publication date
Priority claimed from IN1247/CAL/77Aexternal-prioritypatent/IN147245B/en
Application filed by Dart Ind IncfiledCriticalDart Ind Inc
Priority to IN482/DEL/79ApriorityCriticalpatent/IN148738B/en
Publication of IN148738BpublicationCriticalpatent/IN148738B/en