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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Allan Percival Marshall
Original Assignee
Allan Percival Marshall
Filing date
Publication date
Application filed by Allan Percival MarshallfiledCriticalAllan Percival Marshall
Application grantedgrantedCritical
Publication of AU138052B2publicationCriticalpatent/AU138052B2/en
Publication of AU1920248ApublicationCriticalpatent/AU1920248A/en