Legal status (The legal status 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 status listed.)
Expired
Application number
AU48158/68A
Inventor
BALLMANN and RUDOLF PFISTER ALFRED
Filing date
Publication date
Application filedfiledCritical
Publication of AU4815868ApublicationCriticalpatent/AU4815868A/en