Revision history of "Patent CH-1913-64627"

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  • curprev 21:52, 18 November 2021‎ LTA talk contribs‎ 959 bytes +959‎ Created page with "Flying machine with flapping wings. * Inventors' location: Thun, Switzerland === Sources === {{CHpatentsources|64627}} {{Patent |Year filed=1913 |Year granted=1914 |Office=..."
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