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
Priority claimed from FR161060Aexternal-prioritypatent/FR7627M/fr
Application filed by Ile De France Socdet Sc InfiledCriticalIle De France Socdet Sc In
Priority to IN1864/CAL/75ApriorityCriticalpatent/IN143041B/en
Publication of IN143041BpublicationCriticalpatent/IN143041B/en