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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Elva Beatrice Sigmond
Original Assignee
Elva Beatrice Sigmond
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Publication date
Application filed by Elva Beatrice SigmondfiledCriticalElva Beatrice Sigmond
Application grantedgrantedCritical
Publication of AU533142ApublicationCriticalpatent/AU533142A/en
Publication of AU117368B2publicationCriticalpatent/AU117368B2/en