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 IN415/MAS/88Aexternal-prioritypatent/IN171514B/en
Application filed by StamicarbonfiledCriticalStamicarbon
Priority to IN720MA1991priorityCriticalpatent/IN173780B/en
Publication of IN173780BpublicationCriticalpatent/IN173780B/en