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 Bernd HansenfiledCriticalBernd Hansen
Priority to IN743CA1989priorityCriticalpatent/IN172866B/en
Priority to IN17CA1993prioritypatent/IN175989B/en
Publication of IN172866BpublicationCriticalpatent/IN172866B/en