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 Alsthom GecfiledCriticalAlsthom Gec
Priority to IN818DE1990priorityCriticalpatent/IN177056B/en
Publication of IN177056BpublicationCriticalpatent/IN177056B/en