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 Hans-Otto SchwarzefiledCriticalHans-Otto Schwarze
Priority to IN976MA1990priorityCriticalpatent/IN176810B/en
Publication of IN176810BpublicationCriticalpatent/IN176810B/en
