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 Pillai Sivasankar ParameswaranfiledCriticalPillai Sivasankar Parameswaran
Priority to IN889/MAS/86ApriorityCriticalpatent/IN167259B/en
Publication of IN167259BpublicationCriticalpatent/IN167259B/en