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Other patents [relating to Ludwig Hirschfeld-Mack]
Hirschfeld-Mack, Ludwig, Other patents [relating to Ludwig Hirschfeld-Mack] (7 August 1936), [UMA-ITE-1971000900477]. University of Melbourne Archives, accessed 15/02/2026, https://archives.library.unimelb.edu.au/nodes/view/215377



