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.)
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Walter Mattipernij
Original Assignee
Walter Mattipernij
Publication date
Application grantedgrantedCritical
Publication of AU1858062ApublicationCriticalpatent/AU1858062A/en
Publication of AU268161B2publicationCriticalpatent/AU268161B2/en