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 Metallgesellschaft AgfiledCriticalMetallgesellschaft Ag
Priority to IN902CA1990priorityCriticalpatent/IN175276B/en
Publication of IN175276BpublicationCriticalpatent/IN175276B/en