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 Automatic Switch CofiledCriticalAutomatic Switch Co
Priority to IN1195DE1990priorityCriticalpatent/IN178028B/en
Publication of IN178028BpublicationCriticalpatent/IN178028B/en