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 AlsthomfiledCriticalAlsthom
Priority to IN396DE1988priorityCriticalpatent/IN172658B/en
Priority to IN590DE1991prioritypatent/IN184284B/en
Publication of IN172658BpublicationCriticalpatent/IN172658B/en