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 Debashish SarkarfiledCriticalDebashish Sarkar
Priority to IN866CA1992priorityCriticalpatent/IN181341B/en
Publication of IN181341BpublicationCriticalpatent/IN181341B/en