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Combined display of all available logs of Pipedia. You can narrow down the view by selecting a log type, the username (case-sensitive), or the affected page (also case-sensitive).
- 05:09, 13 October 2020 Chrisambarian talk contribs uploaded File:Lord Davenport patent1.pdf (Copy of the Henry Davenport Bellin 1939 US patent (2146613A))