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 Michelin & CiefiledCriticalMichelin & Cie
Priority to IN821MA1988priorityCriticalpatent/IN172780B/en
Priority to IN394MA1992prioritypatent/IN173580B/en
Publication of IN172780BpublicationCriticalpatent/IN172780B/en