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 Felten & Guilleaume Ag OesterfiledCriticalFelten & Guilleaume Ag Oester
Priority to IN172CA1997priorityCriticalpatent/IN191842B/en
Publication of IN191842BpublicationCriticalpatent/IN191842B/en
