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 IT22280/86Aexternal-prioritypatent/IT1199836B/it
Application filed by Vedril SpafiledCriticalVedril Spa
Priority to IN875/CAL/87ApriorityCriticalpatent/IN168946B/en
Publication of IN168946BpublicationCriticalpatent/IN168946B/en
