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Scientific American

January 4, 1919

1 min read

Proposed Swiss National Trade-Mark, Preserve Your Papers: They Are of Permanent Value

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Scientific American Magazine Vol 120 Issue 1This article was originally published with the title “Proposed Swiss National Trade-Mark, Preserve Your Papers: They Are of Permanent Value” in Scientific American Magazine Vol. 120 No. 1 (), p. 9
doi:10.1038/scientificamerican01041919-9
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