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 Kauko RautiofiledCriticalKauko Rautio
Priority to IN982CA1990priorityCriticalpatent/IN175596B/en
Publication of IN175596BpublicationCriticalpatent/IN175596B/en